Piotr Czarnik

activity

20122026

most citedEffect of barren plateaus on gradient-free optimization

234 citations · 1.6k across the 33 of their papers we have counts for

collaborators

Showing 2017Show all

2 papers · 1 filter

cond-mat.str-el2017

Order in Quantum Compass and Orbital $e_{g}$ Models

Piotr Czarnik, Jacek Dziarmaga, Andrzej M. Oleś

We investigate thermodynamic phase transitions in the compass model and in $e_{g}$ orbital model on an infinite square lattice by variational tensor network renormalization (VTNR) in…

cond-mat.str-el2017★ 27 cited

Overcoming the Sign Problem at Finite Temperature: Quantum Tensor Network for the Orbital $e_{g}$ Model on an Infinite Square Lattice

Piotr Czarnik, Jacek Dziarmaga, Andrzej M. Oleś

The variational tensor network renormalization approach to two-dimensional (2D) quantum systems at finite temperature is applied for the first time to a model suffering the notorio…

Order in Quantum Compass and Orbital eg​ Models

Overcoming the Sign Problem at Finite Temperature: Quantum Tensor Network for the Orbital eg​ Model on an Infinite Square Lattice

Order in Quantum Compass and Orbital $e_{g}$ Models

Overcoming the Sign Problem at Finite Temperature: Quantum Tensor Network for the Orbital $e_{g}$ Model on an Infinite Square Lattice