Quantum many-body scars: A quasiparticle perspective
Weakly interacting quasiparticles play a central role in the low-energy description of many
phases of quantum matter. At higher energies, however, quasiparticles cease to be well …
phases of quantum matter. At higher energies, however, quasiparticles cease to be well …
Quantum many-body scars and Hilbert space fragmentation: a review of exact results
The discovery of quantum many-body scars (QMBS) both in Rydberg atom simulators and in
the Affleck–Kennedy–Lieb–Tasaki spin-1 chain model, have shown that a weak violation of …
the Affleck–Kennedy–Lieb–Tasaki spin-1 chain model, have shown that a weak violation of …
Quantum many-body scars and weak breaking of ergodicity
Thermalization is the inevitable fate of many complex quantum systems, whose dynamics
allow them to fully explore the vast configuration space regardless of the initial state—the …
allow them to fully explore the vast configuration space regardless of the initial state—the …
Hilbert space fragmentation and commutant algebras
We study the phenomenon of Hilbert space fragmentation in isolated Hamiltonian and
Floquet quantum systems using the language of commutant algebras, the algebra of all …
Floquet quantum systems using the language of commutant algebras, the algebra of all …
Probing quantum scars and weak ergodicity breaking through quantum complexity
Scar states are special many-body eigenstates that weakly violate the eigenstate
thermalization hypothesis (ETH). Using the explicit formalism of the Lanczos algorithm …
thermalization hypothesis (ETH). Using the explicit formalism of the Lanczos algorithm …
Many-body Hilbert space scarring on a superconducting processor
Quantum many-body scarring (QMBS) is a recently discovered form of weak ergodicity
breaking in strongly interacting quantum systems, which presents opportunities for mitigating …
breaking in strongly interacting quantum systems, which presents opportunities for mitigating …
Weak ergodicity breaking in the Schwinger model
As a paradigm of weak ergodicity breaking in disorder-free nonintegrable models, quantum
many-body scars (QMBS) can offer deep insights into the thermalization dynamics of gauge …
many-body scars (QMBS) can offer deep insights into the thermalization dynamics of gauge …
Enhanced many-body quantum scars from the non-Hermitian Fock skin effect
In contrast with extended Bloch waves, a single particle can become spatially localized due
to the so-called skin effect originating from non-Hermitian pum**. Here we show that in …
to the so-called skin effect originating from non-Hermitian pum**. Here we show that in …
Emergent U(1) lattice gauge theory in Rydberg atom arrays
Y Cheng, H Zhai - Nature Reviews Physics, 2024 - nature.com
Rydberg atom arrays have emerged as a novel platform exhibiting rich quantum many-body
physics and offering promise for universal quantum computation. The Rydberg blockade …
physics and offering promise for universal quantum computation. The Rydberg blockade …
Algebraic theory of quantum synchronization and limit cycles under dissipation
Synchronization is a phenomenon where interacting particles lock their motion and display
non-trivial dynamics. Despite intense efforts studying synchronization in systems without …
non-trivial dynamics. Despite intense efforts studying synchronization in systems without …