Search found 4 matches

by Sourav Nandy
06 Sep 2022, 20:07
Forum: Implementations
Topic: Different time two point correlator at finite temperature.
Replies: 0
Views: 129

Different time two point correlator at finite temperature.

Dear, I want to compute different time two point correlator at a finite temp 1/\beta . I have in mind XXZ type chain with 'Sz' conserved. I've written a code for that but I am not pretty sure since I have not been using TenPy for long. I am attaching here the code snippet, I would be really grateful...
by Sourav Nandy
12 Aug 2022, 09:24
Forum: Implementations
Topic: Implementing TEBD of open quantum chain in TenPy.
Replies: 1
Views: 214

Implementing TEBD of open quantum chain in TenPy.

Dear, I am interested to implement TEBD evolution of open system using the Lindblad Equations as discussed in , for example in https://core.ac.uk/download/pdf/196582653.pdf ( Equation 2 ). In particular, I have in mind the following boundary driven scenario for Heisenberg chain. d\tilde{\rho} = \mat...
by Sourav Nandy
03 Aug 2022, 11:45
Forum: HowTos and FAQ for TeNPy
Topic: Regarding Two point correlation function in TenPy
Replies: 2
Views: 201

Regarding Two point correlation function in TenPy

Hi, I am a new user to TenPy. I have the following question. I am doing TEBD time evolution in the spin system. I wish to compute unequal time correlation function i.e < \psi_{in} | S_{z}^{i}(t) S_z^{j}(0) | \psi_{in} >, where \psi_{in} is the initial state and i,j are two points in the lattice. Cou...