Anomalous transport from hot quasiparticles in interacting spin chains
S Gopalakrishnan, R Vasseur - Reports on Progress in Physics, 2023 - iopscience.iop.org
Many experimentally relevant quantum spin chains are approximately integrable, and
support long-lived quasiparticle excitations. A canonical example of integrable model of …
support long-lived quasiparticle excitations. A canonical example of integrable model of …
Superdiffusion from nonabelian symmetries in nearly integrable systems
S Gopalakrishnan, R Vasseur - Annual Review of Condensed …, 2024 - annualreviews.org
The Heisenberg spin chain is a canonical integrable model. As such, it features stable
ballistically propagating quasiparticles, but spin transport is subballistic at any nonzero …
ballistically propagating quasiparticles, but spin transport is subballistic at any nonzero …
Microwave Engineering of Programmable Hamiltonians in Arrays of Rydberg Atoms
We use the resonant dipole-dipole interaction between Rydberg atoms and a periodic
external microwave field to engineer XXZ spin Hamiltonians with tunable anisotropies. The …
external microwave field to engineer XXZ spin Hamiltonians with tunable anisotropies. The …
Kardar–Parisi–Zhang universality in a one-dimensional polariton condensate
Revealing universal behaviours is a hallmark of statistical physics. Phenomena such as the
stochastic growth of crystalline surfaces and of interfaces in bacterial colonies, and spin …
stochastic growth of crystalline surfaces and of interfaces in bacterial colonies, and spin …
A subwavelength atomic array switched by a single Rydberg atom
Enhancing light–matter coupling at the level of single quanta is essential for numerous
applications in quantum science. The cooperative optical response of subwavelength atomic …
applications in quantum science. The cooperative optical response of subwavelength atomic …
Observing emergent hydrodynamics in a long-range quantum magnet
Identifying universal properties of nonequilibrium quantum states is a major challenge in
modern physics. A fascinating prediction is that classical hydrodynamics emerges …
modern physics. A fascinating prediction is that classical hydrodynamics emerges …
Formation of robust bound states of interacting microwave photons
Abstract Systems of correlated particles appear in many fields of modern science and
represent some of the most intractable computational problems in nature. The computational …
represent some of the most intractable computational problems in nature. The computational …
Superdiffusion in spin chains
VB Bulchandani, S Gopalakrishnan… - Journal of Statistical …, 2021 - iopscience.iop.org
This review summarizes recent advances in our understanding of anomalous transport in
spin chains, viewed through the lens of integrability. Numerical advances, based on tensor …
spin chains, viewed through the lens of integrability. Numerical advances, based on tensor …
Emergence of fluctuating hydrodynamics in chaotic quantum systems
A fundamental principle of chaotic quantum dynamics is that local subsystems eventually
approach a thermal equilibrium state. The corresponding timescales increase with …
approach a thermal equilibrium state. The corresponding timescales increase with …
Long-lived phantom helix states in Heisenberg quantum magnets
Exact solutions for quantum many-body systems are rare but provide valuable insights for
the description of universal phenomena such as the non-equilibrium dynamics of strongly …
the description of universal phenomena such as the non-equilibrium dynamics of strongly …