Dear All,
I am struggling to define the Sy operator in my Hamiltonian. For the 'Spin' hamiltonian the Sx operator is defined as
<SITEOPERATOR name="Sx" site="x"> 1/2*(Splus(x)+Sminus(x)) </SITEOPERATOR>
however when i attempted defining Sy in a similar manner:
<SITEOPERATOR name="Sy" site="x"> 1j/2*(Splus(x)-Sminus(x)) </SITEOPERATOR>
the simulations halt without producing any output. Could you point me how to implement the Sy operator properly and where am i making a mistake?
In the long run I am attempting to apply two different fields in the XY plane, GammaX along x and GammaY along y
Kind regards, Stan
You must be surge that your simulation is handling complex values...
M
El jue., 18 oct. 2018 13:28, Stanislaw Galeski galeskis@phys.ethz.ch escribió:
Dear All,
I am struggling to define the Sy operator in my Hamiltonian. For the 'Spin' hamiltonian the Sx operator is defined as
<SITEOPERATOR name="Sx" site="x"> 1/2*(Splus(x)+Sminus(x)) </SITEOPERATOR>
however when i attempted defining Sy in a similar manner:
<SITEOPERATOR name="Sy" site="x"> 1j/2*(Splus(x)-Sminus(x)) </SITEOPERATOR>
the simulations halt without producing any output. Could you point me how to implement the Sy operator properly and where am i making a mistake?
In the long run I am attempting to apply two different fields in the XY plane, GammaX along x and GammaY along y
Kind regards, Stan
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I was trying to use the looper algorithm, would this work? The Sx works fine and they should be equivalent...
Sent from my Samsung Galaxy smartphone. -------- Original message --------From: jmm mauricio.matera@gmail.com Date: 18/10/2018 18:47 (GMT+01:00) To: comp-phys-alps-users@lists.phys.ethz.ch Subject: Re: [ALPS-users] Sy operator You must be surge that your simulation is handling complex values...
M El jue., 18 oct. 2018 13:28, Stanislaw Galeski galeskis@phys.ethz.ch escribió: Dear All,
I am struggling to define the Sy operator in my Hamiltonian. For the
'Spin' hamiltonian the Sx operator is defined as
<SITEOPERATOR name="Sx" site="x">
1/2*(Splus(x)+Sminus(x))
</SITEOPERATOR>
however when i attempted defining Sy in a similar manner:
<SITEOPERATOR name="Sy" site="x">
1j/2*(Splus(x)-Sminus(x))
</SITEOPERATOR>
the simulations halt without producing any output. Could you point me
how to implement the Sy operator properly and where am i making a
mistake?
In the long run I am attempting to apply two different fields in the XY
plane, GammaX along x and GammaY along y
Kind regards,
Stan
----
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