Zobrazeno 1 - 10
of 4 543
pro vyhledávání: '"GARRAHAN"'
We study the quantum Newman-Moore model, or quantum triangular plaquette model (qTPM), in the presence of a longitudinal field (qTPMz). We present evidence that indicates that the ground state phase diagram of the qTPMz includes various frustrated ph
Externí odkaz:
http://arxiv.org/abs/2409.09235
We consider how to target evolution conditioned on atypical measurement outcomes in monitored quantum circuits, i.e., the post-selection problem. We show that for a simple class of measurement schemes, post-selected light-cone dynamical correlation f
Externí odkaz:
http://arxiv.org/abs/2408.13096
Diffusion models (DMs) are a class of generative machine learning methods that sample a target distribution by transforming samples of a trivial (often Gaussian) distribution using a learned stochastic differential equation. In standard DMs, this is
Externí odkaz:
http://arxiv.org/abs/2407.11133
We introduce a stochastic generalisation of the classical deterministic Floquet-East model, a discrete circuit with the same kinetic constraint as the East model of glasses. We prove exactly that, in the limit of long time and large size, this model
Externí odkaz:
http://arxiv.org/abs/2406.17464
We study the statistics of first passage times (FPTs) of trajectory observables in both classical and quantum Markov processes. We consider specifically the FPTs of counting observables, that is, the times to reach a certain threshold of a trajectory
Externí odkaz:
http://arxiv.org/abs/2405.09669
We study the non-equilibrium dynamics of the dissipative quantum East model via numerical tensor networks. We use matrix product states to represent evolution under quantum-jump unravellings for sizes beyond those accessible to exact diagonalisation.
Externí odkaz:
http://arxiv.org/abs/2404.03750
Publikováno v:
Phys. Rev. B 110, 134322 (2024)
We study the dynamics and thermalization of the Fredkin spin chain, a system with local three-body interactions, particle conservation and explicit kinetic constraints. We consider deformations away from its stochastic point in order to tune between
Externí odkaz:
http://arxiv.org/abs/2403.03986
We consider quantum jump trajectories of Markovian open quantum systems subject to stochastic in time resets of their state to an initial configuration. The reset events provide a partitioning of quantum trajectories into consecutive time intervals,
Externí odkaz:
http://arxiv.org/abs/2310.06981
Publikováno v:
Phys. Rev. Lett. 132, 120402 (2024)
We study the nonequilibrium dynamics of the Floquet quantum East model (a Trotterized version of the kinetically constrained quantum East spin chain) at its "deterministic point", where evolution is defined in terms of CNOT permutation gates. We solv
Externí odkaz:
http://arxiv.org/abs/2310.06128
We show how the trajectories of $d$-dimensional cellular automata (CA) can be used to determine the ground states of $(d+1)$-dimensional classical spin models, and we characterise their quantum phase transition, when in the presence of a transverse m
Externí odkaz:
http://arxiv.org/abs/2309.08059