Hi Dear,

How I can change the code for measuring those two correlation functions?

Thanks,
Zhian

On Thu, Apr 30, 2009 at 1:30 PM, <comp-phys-alps-users-request@phys.ethz.ch> wrote:
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Today's Topics:

  1. Advanced correlation functions (zhian asadzadeh)
  2. Re: Advanced correlation functions (Ryo IGARASHI)


----------------------------------------------------------------------

Message: 1
Date: Thu, 30 Apr 2009 10:29:31 +0330
From: zhian asadzadeh <zhian.asadzadeh@gmail.com>
Subject: [ALPS-users] Advanced correlation functions
To: comp-phys-alps-users@phys.ethz.ch
Message-ID:
       <89e5d6760904292359qaa8200byc8414cd745a85ff1@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

Hi Dear,

Please let me know can I change the code for measuring just two kinds of
correlations?
(Correlation of first site with other sites and the middle site with other
sites).

Thanks.

On Wed, Apr 29, 2009 at 1:30 PM,
<comp-phys-alps-users-request@phys.ethz.ch>wrote:

> Send Comp-phys-alps-users mailing list submissions to
>        comp-phys-alps-users@phys.ethz.ch
>
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> or, via email, send a message with subject or body 'help' to
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>
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>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Comp-phys-alps-users digest..."
>
>
> Today's Topics:
>
>   1. Advanced correlation functions (zhian asadzadeh)
>   2. Re: Advanced correlation functions (Justin David Peel)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 28 Apr 2009 16:26:47 +0430
> From: zhian asadzadeh <zhian.asadzadeh@gmail.com>
> Subject: [ALPS-users] Advanced correlation functions
> To: comp-phys-alps-users@phys.ethz.ch
> Message-ID:
>        <89e5d6760904280456y43d0cd4cs665a08729a2cac1f@mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi Dear,
>
> Thank you for your guidance, but the mentioned definition for Sy doesn't
> work.
> And for the first question, how I can change the code for measuring those
> two kind of  correlations? I mean the correlation of first site with others
> and middle site with others too.
>
> Thanks,
> Zhian.
>
>
>
>
> On Tue, Apr 28, 2009 at 2:30 PM,
> <comp-phys-alps-users-request@phys.ethz.ch>wrote:
>
> > Send Comp-phys-alps-users mailing list submissions to
> >        comp-phys-alps-users@phys.ethz.ch
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >
> https://webmail.phys.ethz.ch/mailman/listinfo/comp-phys-alps-users
> > or, via email, send a message with subject or body 'help' to
> >        comp-phys-alps-users-request@phys.ethz.ch
> >
> > You can reach the person managing the list at
> >        comp-phys-alps-users-owner@phys.ethz.ch
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Comp-phys-alps-users digest..."
> >
> >
> > Today's Topics:
> >
> >   1. Re: lapack support in ALPS (Synge Todo)
> >   2. Re: Advanced correlation functions (Justin David Peel)
> >   3. Re: Comp-phys-alps-users Digest, Vol 37, Issue 18
> >      (Justin David Peel)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Mon, 27 Apr 2009 19:51:14 +0900
> > From: Synge Todo <wistaria@comp-phys.org>
> > Subject: Re: [ALPS-users] lapack support in ALPS
> > To: comp-phys-alps-users@phys.ethz.ch
> > Message-ID: <04B17733-4F07-4867-8B22-4343337160BB@comp-phys.org>
> > Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
> >
> > Dear Fu-Jiun Jiang,
> >
> > On 2009/04/23, at 23:39, Fu-Jiun Jiang ITP wrote:
> > >  When install the ALPS with lapack being supported, what command
> > > should be used? In the instruction, it is said
> > > --with-lapack-dir=/path/to/my/lapack/ --with-lapack="-l my_lapack".
> > > Is it true that first one should point to where the lapack library is.
> > > How about the second one? Thanks.
> >
> > In many cases, lapack installation will be found automatically without
> > any options.  If this is not the case, please your
> > system administrator about the linker options to link your program
> > against lapack.  For example, if you are linking
> > liblapack.a and libblas.a in /path/to/my/lapack, then the configure
> > options should be
> >
> >   --with-lapack-dir=/path/to/my/lapack --with-lapack="-llapack -lblas"
> >
> > Synge
> >
> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Mon, 27 Apr 2009 11:35:24 -0600
> > From: Justin David Peel <justin.peel@utah.edu>
> > Subject: Re: [ALPS-users] Advanced correlation functions
> > To: "comp-phys-alps-users@phys.ethz.ch"
> >        <comp-phys-alps-users@phys.ethz.ch>
> > Message-ID:
> >        <
> 3E5F591958142A40B693A5FC6672D4942624680106@C8V1.xds.umail.utah.edu
> > >
> > Content-Type: text/plain; charset="us-ascii"
> >
> > I'm not sure about only measuring those two correlations (you might have
> to
> > change the code for that), but, as to your last question, you should be
> able
> > to use Sx:Sx because the Sx operator is defined in the models.xml file in
> > terms of the raising and lowering operators. If you want to measure Sy,
> you
> > would have to add the following lines to the models.xml file:
> >
> > <SITEOPERATOR name="Sy" site="x">
> >  1/2*(Splus(x)-Sminus(x))
> > </SITEOPERATOR>
> >
> > because it hasn't been defined as far as I can tell.
> >
> > Good luck,
> > Justin
> > ________________________________________
> > From: comp-phys-alps-users-bounces@phys.ethz.ch [
> > comp-phys-alps-users-bounces@phys.ethz.ch] On Behalf Of zhian asadzadeh
> [
> > zhian.asadzadeh@gmail.com]
> > Sent: Sunday, April 26, 2009 1:54 AM
> > To: Comp-phys-alps-users@phys.ethz.ch
> > Subject: [ALPS-users] Advanced correlation functions
> >
> > Hi All,
> >
> > I am using DMRG for my problem and I am going to measure diagonal and
> > offdiagonal correlation functions.
> > I am interest to obtain the correlation of first site with other sites
> and
> >  the middle site with other sites too.
> > The output of DMRG consist of   all the combinations which are possible
> but
> > I just want the two correlations mentioned above because the output will
> be
> > very large ( I am studying the ferrimagnetic chain with 100 sites).
> > can I do that? how?
> > And also can I use Sx:Sx for measuring off diagonal correlation
> functions?
> >
> > Thanks,
> > Zhian.
> >
> >
> >
> > ------------------------------
> >
> > Message: 3
> > Date: Mon, 27 Apr 2009 11:42:56 -0600
> > From: Justin David Peel <justin.peel@utah.edu>
> > Subject: Re: [ALPS-users] Comp-phys-alps-users Digest, Vol 37, Issue
> >        18
> > To: "comp-phys-alps-users@phys.ethz.ch"
> >        <comp-phys-alps-users@phys.ethz.ch>
> > Message-ID:
> >        <
> 3E5F591958142A40B693A5FC6672D4942624680107@C8V1.xds.umail.utah.edu
> > >
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Someone correct me if I'm wrong, but I believe this isn't very directly
> > feasible. The ground state vector from the exact ground state will be in
> a
> > different basis and have a different length than the ground state vector
> > from DMRG (it's a truncated basis after all).
> > ________________________________________
> > From: comp-phys-alps-users-bounces@phys.ethz.ch [
> > comp-phys-alps-users-bounces@phys.ethz.ch] On Behalf Of Gang Chen [
> > chggst@physics.ucsb.edu]
> > Sent: Saturday, April 25, 2009 9:55 AM
> > To: comp-phys-alps-users@phys.ethz.ch
> > Subject: Re: [ALPS-users] Comp-phys-alps-users Digest, Vol 37, Issue 18
> >
> > Thanks, I want to compute the overlap between the exact ground state
> > and the state I generated from other method.
> >
> > best,
> > Gang
> >
> > On Sat, Apr 25, 2009 at 3:00 AM, <
> > comp-phys-alps-users-request@phys.ethz.ch<mailto:
> > comp-phys-alps-users-request@phys.ethz.ch>> wrote:
> > Send Comp-phys-alps-users mailing list submissions to
> >       comp-phys-alps-users@phys.ethz.ch<mailto:
> > comp-phys-alps-users@phys.ethz.ch>
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >       https://webmail.phys.ethz.ch/mailman/listinfo/comp-phys-alps-users
> > or, via email, send a message with subject or body 'help' to
> >       comp-phys-alps-users-request@phys.ethz.ch<mailto:
> > comp-phys-alps-users-request@phys.ethz.ch>
> >
> > You can reach the person managing the list at
> >       comp-phys-alps-users-owner@phys.ethz.ch<mailto:
> > comp-phys-alps-users-owner@phys.ethz.ch>
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Comp-phys-alps-users digest..."
> >
> >
> > Today's Topics:
> >
> >  1. extract the ground state from DMRG or Exact       diagonalization
> >     (Gang Chen)
> >  2. Re: extract the ground state from DMRG or Exact
> >     diagonalization (Justin David Peel)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Fri, 24 Apr 2009 14:57:02 -0700
> > From: Gang Chen <chggst@physics.ucsb.edu<mailto:chggst@physics.ucsb.edu
> >>
> > Subject: [ALPS-users] extract the ground state from DMRG or Exact
> >       diagonalization
> > To: comp-phys-alps-users@phys.ethz.ch<mailto:
> > comp-phys-alps-users@phys.ethz.ch>
> > Message-ID:
> >       <3924ab970904241457k17ab51b1tbd002d09ae7287e@mail.gmail.com
> <mailto:
> > 3924ab970904241457k17ab51b1tbd002d09ae7287e@mail.gmail.com>>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Hi All,
> >
> > If I use DMRG or Exact diagonalization to find the ground state of my
> > Hamiltonian. How can
> > I extract the ground state vector (the numerical vector) from my results?
> >
> > best,
> >
> > --
> > GANG CHEN
> > Department of Physics
> > University of California
> > Santa Barbara, CA 93106
> > Office: Broida 6216
> > Phone: 805-893-5260
> > Fax: 805-893-3378
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL:
> >
> https://webmail.phys.ethz.ch/pipermail/comp-phys-alps-users/attachments/20090424/1340d4ea/attachment.html
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Fri, 24 Apr 2009 16:17:36 -0600
> > From: Justin David Peel <justin.peel@utah.edu<mailto:
> justin.peel@utah.edu
> > >>
> > Subject: Re: [ALPS-users] extract the ground state from DMRG or Exact
> >       diagonalization
> > To: "comp-phys-alps-users@phys.ethz.ch<mailto:
> > comp-phys-alps-users@phys.ethz.ch>"
> >       <comp-phys-alps-users@phys.ethz.ch<mailto:
> > comp-phys-alps-users@phys.ethz.ch>>
> > Message-ID:
> >       <
> 3E5F591958142A40B693A5FC6672D4942624680104@C8V1.xds.umail.utah.edu
> > <mailto:
> 3E5F591958142A40B693A5FC6672D4942624680104@C8V1.xds.umail.utah.edu
> > >>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Hi,
> >
> > Perhaps you can tell us why you want the vector - what you plan on doing
> > with it because there isn't much point of knowing the ground state vector
> > from DMRG unless you have the operator matrices to go along with it.
> >
> > Justin
> > ________________________________________
> > From: comp-phys-alps-users-bounces@phys.ethz.ch<mailto:
> > comp-phys-alps-users-bounces@phys.ethz.ch> [
> > comp-phys-alps-users-bounces@phys.ethz.ch<mailto:
> > comp-phys-alps-users-bounces@phys.ethz.ch>] On Behalf Of Gang Chen [
> > chggst@physics.ucsb.edu<mailto:chggst@physics.ucsb.edu>]
> > Sent: Friday, April 24, 2009 3:57 PM
> > To: comp-phys-alps-users@phys.ethz.ch<mailto:
> > comp-phys-alps-users@phys.ethz.ch>
> > Subject: [ALPS-users] extract the ground state from DMRG or Exact
> > diagonalization
> >
> > Hi All,
> >
> > If I use DMRG or Exact diagonalization to find the ground state of my
> > Hamiltonian. How can
> > I extract the ground state vector (the numerical vector) from my results?
> >
> > best,
> >
> > --
> > GANG CHEN
> > Department of Physics
> > University of California
> > Santa Barbara, CA 93106
> > Office: Broida 6216
> > Phone: 805-893-5260
> > Fax: 805-893-3378
> >
> >
> > End of Comp-phys-alps-users Digest, Vol 37, Issue 18
> > ****************************************************
> >
> >
> >
> >
> > --
> > GANG CHEN
> > Department of Physics
> > University of California
> > Santa Barbara, CA 93106
> > Office: Broida 6216
> > Phone: 805-893-5260
> > Fax: 805-893-3378
> >
> >
> > End of Comp-phys-alps-users Digest, Vol 37, Issue 20
> > ****************************************************
> >
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL:
> https://webmail.phys.ethz.ch/pipermail/comp-phys-alps-users/attachments/20090428/ba4f7dd2/attachment-0001.htm
>
> ------------------------------
>
> Message: 2
> Date: Tue, 28 Apr 2009 12:44:12 -0600
> From: Justin David Peel <justin.peel@utah.edu>
> Subject: Re: [ALPS-users] Advanced correlation functions
> To: "comp-phys-alps-users@phys.ethz.ch"
>        <comp-phys-alps-users@phys.ethz.ch>
> Message-ID:
>        <3E5F591958142A40B693A5FC6672D4942624680109@C8V1.xds.umail.utah.edu
> >
> Content-Type: text/plain; charset="us-ascii"
>
> You're correct. It isn't quite right. It should be divided by i:
>
> <SITEOPERATOR name="Sy" site="x">
>  1/2*(Splus(x)-Sminus(x))/sqrt(-1)
> </SITEOPERATOR>
>
>
> ________________________________________
> From: comp-phys-alps-users-bounces@phys.ethz.ch [
> comp-phys-alps-users-bounces@phys.ethz.ch] On Behalf Of zhian asadzadeh [
> zhian.asadzadeh@gmail.com]
> Sent: Tuesday, April 28, 2009 5:56 AM
> To: comp-phys-alps-users@phys.ethz.ch
> Subject: [ALPS-users] Advanced correlation functions
>
> Hi Dear,
>
> Thank you for your guidance, but the mentioned definition for Sy doesn't
> work.
> And for the first question, how I can change the code for measuring those
>  two kind of  correlations? I mean the correlation of first site with others
> and middle site with others too.
>
> Thanks,
> Zhian.
>
>
>
>
> On Tue, Apr 28, 2009 at 2:30 PM, <
> comp-phys-alps-users-request@phys.ethz.ch<mailto:
> comp-phys-alps-users-request@phys.ethz.ch>> wrote:
> Send Comp-phys-alps-users mailing list submissions to
>       comp-phys-alps-users@phys.ethz.ch<mailto:
> comp-phys-alps-users@phys.ethz.ch>
>
> To subscribe or unsubscribe via the World Wide Web, visit
>       https://webmail.phys.ethz.ch/mailman/listinfo/comp-phys-alps-users
> or, via email, send a message with subject or body 'help' to
>       comp-phys-alps-users-request@phys.ethz.ch<mailto:
> comp-phys-alps-users-request@phys.ethz.ch>
>
> You can reach the person managing the list at
>       comp-phys-alps-users-owner@phys.ethz.ch<mailto:
> comp-phys-alps-users-owner@phys.ethz.ch>
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Comp-phys-alps-users digest..."
>
>
> Today's Topics:
>
>  1. Re: lapack support in ALPS (Synge Todo)
>  2. Re: Advanced correlation functions (Justin David Peel)
>  3. Re: Comp-phys-alps-users Digest, Vol 37, Issue 18
>     (Justin David Peel)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 27 Apr 2009 19:51:14 +0900
> From: Synge Todo <wistaria@comp-phys.org<mailto:wistaria@comp-phys.org>>
> Subject: Re: [ALPS-users] lapack support in ALPS
> To: comp-phys-alps-users@phys.ethz.ch<mailto:
> comp-phys-alps-users@phys.ethz.ch>
> Message-ID: <04B17733-4F07-4867-8B22-4343337160BB@comp-phys.org<mailto:
> 04B17733-4F07-4867-8B22-4343337160BB@comp-phys.org>>
> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
>
> Dear Fu-Jiun Jiang,
>
> On 2009/04/23, at 23:39, Fu-Jiun Jiang ITP wrote:
> >  When install the ALPS with lapack being supported, what command
> > should be used? In the instruction, it is said
> > --with-lapack-dir=/path/to/my/lapack/ --with-lapack="-l my_lapack".
> > Is it true that first one should point to where the lapack library is.
> > How about the second one? Thanks.
>
> In many cases, lapack installation will be found automatically without
> any options.  If this is not the case, please your
> system administrator about the linker options to link your program
> against lapack.  For example, if you are linking
> liblapack.a and libblas.a in /path/to/my/lapack, then the configure
> options should be
>
>  --with-lapack-dir=/path/to/my/lapack --with-lapack="-llapack -lblas"
>
> Synge
>
>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 27 Apr 2009 11:35:24 -0600
> From: Justin David Peel <justin.peel@utah.edu<mailto:justin.peel@utah.edu
> >>
> Subject: Re: [ALPS-users] Advanced correlation functions
> To: "comp-phys-alps-users@phys.ethz.ch<mailto:
> comp-phys-alps-users@phys.ethz.ch>"
>       <comp-phys-alps-users@phys.ethz.ch<mailto:
> comp-phys-alps-users@phys.ethz.ch>>
> Message-ID:
>       <3E5F591958142A40B693A5FC6672D4942624680106@C8V1.xds.umail.utah.edu
> <mailto:3E5F591958142A40B693A5FC6672D4942624680106@C8V1.xds.umail.utah.edu
> >>
> Content-Type: text/plain; charset="us-ascii"
>
> I'm not sure about only measuring those two correlations (you might have to
> change the code for that), but, as to your last question, you should be able
> to use Sx:Sx because the Sx operator is defined in the models.xml file in
> terms of the raising and lowering operators. If you want to measure Sy, you
> would have to add the following lines to the models.xml file:
>
> <SITEOPERATOR name="Sy" site="x">
>  1/2*(Splus(x)-Sminus(x))
> </SITEOPERATOR>
>
> because it hasn't been defined as far as I can tell.
>
> Good luck,
> Justin
> ________________________________________
> From: comp-phys-alps-users-bounces@phys.ethz.ch<mailto:
> comp-phys-alps-users-bounces@phys.ethz.ch> [
> comp-phys-alps-users-bounces@phys.ethz.ch<mailto:
> comp-phys-alps-users-bounces@phys.ethz.ch>] On Behalf Of zhian asadzadeh [
> zhian.asadzadeh@gmail.com<mailto:zhian.asadzadeh@gmail.com>]
> Sent: Sunday, April 26, 2009 1:54 AM
> To: Comp-phys-alps-users@phys.ethz.ch<mailto:
> Comp-phys-alps-users@phys.ethz.ch>
> Subject: [ALPS-users] Advanced correlation functions
>
> Hi All,
>
> I am using DMRG for my problem and I am going to measure diagonal and
> offdiagonal correlation functions.
> I am interest to obtain the correlation of first site with other sites and
>  the middle site with other sites too.
> The output of DMRG consist of   all the combinations which are possible but
> I just want the two correlations mentioned above because the output will be
> very large ( I am studying the ferrimagnetic chain with 100 sites).
> can I do that? how?
> And also can I use Sx:Sx for measuring off diagonal correlation functions?
>
> Thanks,
> Zhian.
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 27 Apr 2009 11:42:56 -0600
> From: Justin David Peel <justin.peel@utah.edu<mailto:justin.peel@utah.edu
> >>
> Subject: Re: [ALPS-users] Comp-phys-alps-users Digest, Vol 37, Issue
>       18
> To: "comp-phys-alps-users@phys.ethz.ch<mailto:
> comp-phys-alps-users@phys.ethz.ch>"
>       <comp-phys-alps-users@phys.ethz.ch<mailto:
> comp-phys-alps-users@phys.ethz.ch>>
> Message-ID:
>       <3E5F591958142A40B693A5FC6672D4942624680107@C8V1.xds.umail.utah.edu
> <mailto:3E5F591958142A40B693A5FC6672D4942624680107@C8V1.xds.umail.utah.edu
> >>
> Content-Type: text/plain; charset="us-ascii"
>
> Someone correct me if I'm wrong, but I believe this isn't very directly
> feasible. The ground state vector from the exact ground state will be in a
> different basis and have a different length than the ground state vector
> from DMRG (it's a truncated basis after all).
> ________________________________________
> From: comp-phys-alps-users-bounces@phys.ethz.ch<mailto:
> comp-phys-alps-users-bounces@phys.ethz.ch> [
> comp-phys-alps-users-bounces@phys.ethz.ch<mailto:
> comp-phys-alps-users-bounces@phys.ethz.ch>] On Behalf Of Gang Chen [
> chggst@physics.ucsb.edu<mailto:chggst@physics.ucsb.edu>]
> Sent: Saturday, April 25, 2009 9:55 AM
> To: comp-phys-alps-users@phys.ethz.ch<mailto:
> comp-phys-alps-users@phys.ethz.ch>
> Subject: Re: [ALPS-users] Comp-phys-alps-users Digest, Vol 37, Issue 18
>
> Thanks, I want to compute the overlap between the exact ground state
> and the state I generated from other method.
>
> best,
> Gang
>
> On Sat, Apr 25, 2009 at 3:00 AM, <
> comp-phys-alps-users-request@phys.ethz.ch<mailto:
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> Today's Topics:
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>  1. extract the ground state from DMRG or Exact       diagonalization
>    (Gang Chen)
>  2. Re: extract the ground state from DMRG or Exact
>    diagonalization (Justin David Peel)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 24 Apr 2009 14:57:02 -0700
> From: Gang Chen <chggst@physics.ucsb.edu<mailto:chggst@physics.ucsb.edu
> ><mailto:chggst@physics.ucsb.edu<mailto:chggst@physics.ucsb.edu>>>
> Subject: [ALPS-users] extract the ground state from DMRG or Exact
>      diagonalization
> To: comp-phys-alps-users@phys.ethz.ch<mailto:
> comp-phys-alps-users@phys.ethz.ch><mailto:
> comp-phys-alps-users@phys.ethz.ch<mailto:comp-phys-alps-users@phys.ethz.ch
> >>
> Message-ID:
>      <3924ab970904241457k17ab51b1tbd002d09ae7287e@mail.gmail.com<mailto:
> 3924ab970904241457k17ab51b1tbd002d09ae7287e@mail.gmail.com><mailto:
> 3924ab970904241457k17ab51b1tbd002d09ae7287e@mail.gmail.com<mailto:
> 3924ab970904241457k17ab51b1tbd002d09ae7287e@mail.gmail.com>>>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi All,
>
> If I use DMRG or Exact diagonalization to find the ground state of my
> Hamiltonian. How can
> I extract the ground state vector (the numerical vector) from my results?
>
> best,
>
> --
> GANG CHEN
> Department of Physics
> University of California
> Santa Barbara, CA 93106
> Office: Broida 6216
> Phone: 805-893-5260
> Fax: 805-893-3378
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>
> ------------------------------
>
> Message: 2
> Date: Fri, 24 Apr 2009 16:17:36 -0600
> From: Justin David Peel <justin.peel@utah.edu<mailto:justin.peel@utah.edu
> ><mailto:justin.peel@utah.edu<mailto:justin.peel@utah.edu>>>
> Subject: Re: [ALPS-users] extract the ground state from DMRG or Exact
>      diagonalization
> To: "comp-phys-alps-users@phys.ethz.ch<mailto:
> comp-phys-alps-users@phys.ethz.ch><mailto:
> comp-phys-alps-users@phys.ethz.ch<mailto:comp-phys-alps-users@phys.ethz.ch
> >>"
>      <comp-phys-alps-users@phys.ethz.ch<mailto:
> comp-phys-alps-users@phys.ethz.ch><mailto:
> comp-phys-alps-users@phys.ethz.ch<mailto:comp-phys-alps-users@phys.ethz.ch
> >>>
> Message-ID:
>      <3E5F591958142A40B693A5FC6672D4942624680104@C8V1.xds.umail.utah.edu
> <mailto:3E5F591958142A40B693A5FC6672D4942624680104@C8V1.xds.umail.utah.edu
> ><mailto:
> 3E5F591958142A40B693A5FC6672D4942624680104@C8V1.xds.umail.utah.edu<mailto:
> 3E5F591958142A40B693A5FC6672D4942624680104@C8V1.xds.umail.utah.edu>>>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi,
>
> Perhaps you can tell us why you want the vector - what you plan on doing
> with it because there isn't much point of knowing the ground state vector
> from DMRG unless you have the operator matrices to go along with it.
>
> Justin
> ________________________________________
> From: comp-phys-alps-users-bounces@phys.ethz.ch<mailto:
> comp-phys-alps-users-bounces@phys.ethz.ch><mailto:
> comp-phys-alps-users-bounces@phys.ethz.ch<mailto:
> comp-phys-alps-users-bounces@phys.ethz.ch>> [
> comp-phys-alps-users-bounces@phys.ethz.ch<mailto:
> comp-phys-alps-users-bounces@phys.ethz.ch><mailto:
> comp-phys-alps-users-bounces@phys.ethz.ch<mailto:
> comp-phys-alps-users-bounces@phys.ethz.ch>>] On Behalf Of Gang Chen [
> chggst@physics.ucsb.edu<mailto:chggst@physics.ucsb.edu><mailto:
> chggst@physics.ucsb.edu<mailto:chggst@physics.ucsb.edu>>]
> Sent: Friday, April 24, 2009 3:57 PM
> To: comp-phys-alps-users@phys.ethz.ch<mailto:
> comp-phys-alps-users@phys.ethz.ch><mailto:
> comp-phys-alps-users@phys.ethz.ch<mailto:comp-phys-alps-users@phys.ethz.ch
> >>
> Subject: [ALPS-users] extract the ground state from DMRG or Exact
> diagonalization
>
> Hi All,
>
> If I use DMRG or Exact diagonalization to find the ground state of my
> Hamiltonian. How can
> I extract the ground state vector (the numerical vector) from my results?
>
> best,
>
> --
> GANG CHEN
> Department of Physics
> University of California
> Santa Barbara, CA 93106
> Office: Broida 6216
> Phone: 805-893-5260
> Fax: 805-893-3378
>
>
> End of Comp-phys-alps-users Digest, Vol 37, Issue 18
> ****************************************************
>
>
>
>
> --
> GANG CHEN
> Department of Physics
> University of California
> Santa Barbara, CA 93106
> Office: Broida 6216
> Phone: 805-893-5260
> Fax: 805-893-3378
>
>
> End of Comp-phys-alps-users Digest, Vol 37, Issue 20
> ****************************************************
>
>
>
> End of Comp-phys-alps-users Digest, Vol 37, Issue 21
> ****************************************************
>
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------------------------------

Message: 2
Date: Thu, 30 Apr 2009 16:04:56 +0900
From: Ryo IGARASHI <rigarash@hosi.phys.s.u-tokyo.ac.jp>
Subject: Re: [ALPS-users] Advanced correlation functions
To: comp-phys-alps-users@phys.ethz.ch
Message-ID:
       <c5da89610904300004y3ba914f7g3e93ba3f398df99e@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

Hi Zhian,

On Thu, Apr 30, 2009 at 3:59 PM, zhian asadzadeh
<zhian.asadzadeh@gmail.com> wrote:
> Please let me know can I change the code for measuring just two kinds of
> correlations?
> (Correlation of first site with other sites and the middle site with other
> sites).

>From the licencing point of view,  there is no restriction for
modifying the ALPS code.
Just go ahead. Of course, patches are always welcome.

--
Ryo IGARASHI, Ph.D.
rigarash@hosi.phys.s.u-tokyo.ac.jp


End of Comp-phys-alps-users Digest, Vol 37, Issue 22
****************************************************