57 citations · 215 across the 11 of their papers we have counts for
12 papers
Electronic Green's function across the pseudogap to stripe transition in the -- model
Martin Ulaga, Aritra Sinha, Alexander Wietek
Superconducting domes in strongly correlated electronic systems are often accompanied by charge density waves and peculiar features in the electronic structure. The appearance of a…
Evolution of superconductivity from charge clusters to stripes in the -- model
Aritra Sinha, Hannes Karlsson, Martin Ulaga +1
Competition and coexistence of charge orders and superconductivity are hallmarks in many strongly correlated electron systems. Here, we unravel the precise role of charge fluctuati…
XDiag: Exact Diagonalization for Quantum Many-Body Systems
Alexander Wietek, Luke Staszewski, Martin Ulaga +6
Exact diagonalization (ED) is a cornerstone technique in quantum many-body physics, enabling precise solutions to the Schrödinger equation for interacting quantum systems. Despite…
Observation of emergent scaling of spin-charge correlations at the onset of the pseudogap
Thomas Chalopin, Petar Bojović, Si Wang +12
In strongly correlated materials, interacting electrons are entangled and form collective quantum states, resulting in rich low-temperature phase diagrams. Notable examples include…
Forestalled Phase Separation as the Precursor to Stripe Order
Aritra Sinha, Alexander Wietek
Stripe order is a prominent feature in the phase diagram of the high-temperature cuprate superconductors. It has been confirmed as the lowest-energy state of the two-dimensional Fe…
YASTN: Yet another symmetric tensor networks; A Python library for abelian symmetric tensor network calculations
Marek M. Rams, Gabriela Wójtowicz, Aritra Sinha +1
We present an open-source tensor network Python library for quantum many-body simulations. At its core is an abelian-symmetric tensor, implemented as a sparse block structure manag…
Efficient Representation of Minimally Entangled Typical Thermal States in two dimensions via Projected Entangled Pair States
Aritra Sinha, Marek M. Rams, Jacek Dziarmaga
The Minimally Entangled Typical Thermal States (METTS) are an ensemble of pure states, equivalent to the Gibbs thermal state, that can be efficiently represented by tensor networks…
Finite temperature tensor network study of the Hubbard model on an infinite square lattice
Aritra Sinha, Marek M. Rams, Piotr Czarnik +1
The Hubbard model is a longstanding problem in the theory of strongly correlated electrons and a very active one in the experiments with ultracold fermionic atoms. Motivated by cur…
Non-adiabatic dynamics across a first order quantum phase transition: Quantized bubble nucleation
Aritra Sinha, Titas Chanda, Jacek Dziarmaga
Metastability is a quintessential feature of first order quantum phase transitions, which is lost either by dynamical instability or by nucleating bubbles of a true vacuum through…
Sonic horizons and causality in the phase transition dynamics
Debasis Sadhukhan, Aritra Sinha, Anna Francuz +4
A system gradually driven through a symmetry-breaking phase transition is subject to the Kibble-Zurek mechanism (KZM). As a consequence of the critical slowing down, its state cann…
Kibble-Zurek mechanism with a single particle: dynamics of the localization-delocalization transition in the Aubry-André model
Aritra Sinha, Marek M. Rams, Jacek Dziarmaga
The Aubry-André 1D lattice model describes a particle hopping in a pseudo-random potential. Depending on its strength , all eigenstates are either localized () or delocaliz…
Time-dependent reflection at the localization transition
Sergey E. Skipetrov, Aritra Sinha
A short quasi-monochromatic wave packet incident on a semi-infinite disordered medium gives rise to a reflected wave. The intensity of the latter decays as a power law in t…