Proposal for observing yang-lee criticality in rydberg atomic arrays
Yang-Lee edge singularities (YLES) are the edges of the partition function zeros of an
interacting spin model in the space of complex control parameters. They play an important …
interacting spin model in the space of complex control parameters. They play an important …
Imaginary-time evolution using forward and backward real-time evolution with a single ancilla: First-quantized eigensolver algorithm for quantum chemistry
Imaginary-time evolution (ITE) on a quantum computer is a promising formalism for
obtaining the ground state of a quantum system. The probabilistic ITE (PITE) exploits …
obtaining the ground state of a quantum system. The probabilistic ITE (PITE) exploits …
Variational thermal quantum simulation of the lattice Schwinger model
Confinement of quarks due to the strong interaction and the deconfinement at high
temperatures and high densities are a basic paradigm for understanding the nuclear matter …
temperatures and high densities are a basic paradigm for understanding the nuclear matter …
Experimental Observation of the Yang-Lee Quantum Criticality in Open Quantum Systems
The Yang-Lee edge singularity was originally studied from the standpoint of mathematical
foundations of phase transitions. However, direct observation of anomalous scaling with the …
foundations of phase transitions. However, direct observation of anomalous scaling with the …
Adaptive variational quantum minimally entangled typical thermal states for finite temperature simulations
Scalable quantum algorithms for the simulation of quantum many-body systems in thermal
equilibrium are important for predicting properties of quantum matter at finite temperatures …
equilibrium are important for predicting properties of quantum matter at finite temperatures …
Lee-Yang theory of the two-dimensional quantum Ising model
Determining the phase diagram of interacting quantum many-body systems is an important
task for a wide range of problems such as the understanding and design of quantum …
task for a wide range of problems such as the understanding and design of quantum …
Thermodynamics of quantum trajectories on a quantum computer
Quantum computers have recently become available as noisy intermediate-scale quantum
devices. Already these machines yield a useful environment for research on quantum …
devices. Already these machines yield a useful environment for research on quantum …
Proposal for measuring out-of-time-ordered correlators at finite temperature with coupled spin chains
Abstract Information scrambling, which is the spread of local information through a system's
many-body degrees of freedom, is an intrinsic feature of many-body dynamics. In quantum …
many-body degrees of freedom, is an intrinsic feature of many-body dynamics. In quantum …
Probing quantum chaos in multipartite systems
Z Cao, Z Xu, A del Campo - Physical Review Research, 2022 - APS
Understanding the emergence of quantum chaos in multipartite systems is challenging in
the presence of interactions. We show that the contribution of the subsystems to the global …
the presence of interactions. We show that the contribution of the subsystems to the global …
Lee-Yang theory of criticality in interacting quantum many-body systems
Quantum phase transitions are a ubiquitous many-body phenomenon that occurs in a wide
range of physical systems, including superconductors, quantum spin liquids, and topological …
range of physical systems, including superconductors, quantum spin liquids, and topological …