Noisy intermediate-scale quantum algorithms
A universal fault-tolerant quantum computer that can efficiently solve problems such as
integer factorization and unstructured database search requires millions of qubits with low …
integer factorization and unstructured database search requires millions of qubits with low …
Nonequilibrium full counting statistics and symmetry-resolved entanglement from space-time duality
Owing to its probabilistic nature, a measurement process in quantum mechanics produces a
distribution of possible outcomes. This distribution—or its Fourier transform known as full …
distribution of possible outcomes. This distribution—or its Fourier transform known as full …
Realizing quantum convolutional neural networks on a superconducting quantum processor to recognize quantum phases
Quantum computing crucially relies on the ability to efficiently characterize the quantum
states output by quantum hardware. Conventional methods which probe these states …
states output by quantum hardware. Conventional methods which probe these states …
Symmetry-resolved dynamical purification in synthetic quantum matter
When a quantum system initialized in a product state is subjected to either coherent or
incoherent dynamics, the entropy of any of its connected partitions generically increases as …
incoherent dynamics, the entropy of any of its connected partitions generically increases as …
Dimensional transmutation from non-hermiticity
H Jiang, CH Lee - Physical Review Letters, 2023 - APS
Dimensionality plays a fundamental role in the classification of novel phases and their
responses. In generic lattices of 2D and beyond, however, we found that non-Hermitian …
responses. In generic lattices of 2D and beyond, however, we found that non-Hermitian …
Lack of symmetry restoration after a quantum quench: an entanglement asymmetry study
We consider the quantum quench in the XX spin chain starting from a tilted Néel state which
explicitly breaks the $ U (1) $ symmetry of the post-quench Hamiltonian. Very surprisingly …
explicitly breaks the $ U (1) $ symmetry of the post-quench Hamiltonian. Very surprisingly …
Symmetry-resolved Page curves
Given a statistical ensemble of quantum states, the corresponding Page curve quantifies the
average entanglement entropy associated with each possible spatial bipartition of the …
average entanglement entropy associated with each possible spatial bipartition of the …
Entanglement asymmetry and quantum Mpemba effect in the XY spin chain
Entanglement asymmetry is a quantity recently introduced to measure how much a
symmetry is broken in a part of an extended quantum system. It has been employed to …
symmetry is broken in a part of an extended quantum system. It has been employed to …
Symmetry-resolved entanglement entropy in Wess-Zumino-Witten models
A bstract We consider the problem of the decomposition of the Rényi entanglement
entropies in theories with a non-abelian symmetry by doing a thorough analysis of Wess …
entropies in theories with a non-abelian symmetry by doing a thorough analysis of Wess …
Entanglement measures in a nonequilibrium steady state: Exact results in one dimension
S Fraenkel, M Goldstein - SciPost Physics, 2021 - scipost.org
Entanglement plays a prominent role in the study of condensed matter many-body systems:
Entanglement measures not only quantify the possible use of these systems in quantum …
Entanglement measures not only quantify the possible use of these systems in quantum …