71 citations · 114 across the 3 of their papers we have counts for
3 papers
cond-mat.str-el2016★ 71 cited
Variational tensor network renormalization in imaginary time: benchmark results in the Hubbard model at finite temperature
Piotr Czarnik, Marek M. Rams, Jacek Dziarmaga
A Gibbs operator for a 2D lattice system with a Hamiltonian can be represented by a 3D tensor network, the third dimension being the imaginary time (inverse temperatu…
quant-ph2014★ 38 cited
Projected Entangled Pair States at Finite Temperature: Iterative Self-Consistent Bond Renormalization for Exact Imaginary Time Evolution
Piotr Czarnik, Jacek Dziarmaga
A projected entangled pair state (PEPS) with ancillas can be evolved in imaginary time to obtain thermal states of a strongly correlated quantum system on a 2D lattice. Every appli…
cond-mat.str-el2014★ 5 cited
Striped critical spin liquid in a spin-orbital entangled RVB state in a projected entangled-pair state representation
Piotr Czarnik, Jacek Dziarmaga
We introduce a spin-orbital entangled (SOE) resonating valence bond (RVB) state on a square lattice of spins- and orbitals represented by pseudospins-. Like the s…