Open quantum systems with local and collective incoherent processes: Efficient numerical simulations using permutational invariance

N Shammah, S Ahmed, N Lambert, S De Liberato… - Physical Review A, 2018 - APS
The permutational invariance of identical two-level systems allows for an exponential
reduction in the computational resources required to study the Lindblad dynamics of …

Operational interpretation of quantum fisher information in quantum thermodynamics

I Marvian - Physical Review Letters, 2022 - APS
In the framework of quantum thermodynamics preparing a quantum system in a general
state requires the consumption of two distinct resources, namely, work and energetic …

Rotationally invariant circuits: Universality with the exchange interaction and two ancilla qubits

I Marvian, H Liu, A Hulse - Physical Review Letters, 2024 - APS
Universality of local unitary transformations is one of the cornerstones of quantum computing
with many applications and implications that go beyond this field. However, it has recently …

Symmetries of quantum evolutions

G Chiribella, E Aurell, K Życzkowski - Physical Review Research, 2021 - APS
A cornerstone of quantum mechanics is the characterization of symmetries provided by
Wigner's theorem. Wigner's theorem establishes that every symmetry of the quantum state …

Coherence distillation machines are impossible in quantum thermodynamics

I Marvian - Nature communications, 2020 - nature.com
The role of coherence in quantum thermodynamics has been extensively studied in the
recent years and it is now well-understood that coherence between different energy …

Coherent control of the rotational degree of freedom of a two-ion coulomb crystal

E Urban, N Glikin, S Mouradian, K Krimmel… - Physical Review Letters, 2019 - APS
We demonstrate the preparation and coherent control of the angular momentum state of a
two-ion crystal. The ions are prepared with an average angular momentum of 7850 ℏ freely …

A simplified formalism of the algebra of partially transposed permutation operators with applications

M Mozrzymas, M Studziński… - Journal of Physics A …, 2018 - iopscience.iop.org
Herein we continue the study of the representation theory of the algebra of permutation
operators acting on the $ n $-fold tensor product space, partially transposed on the last …

Quantum-enhanced learning of rotations about an unknown direction

Y Mo, G Chiribella - New Journal of Physics, 2019 - iopscience.iop.org
Quantum-enhanced learning of rotations about an unknown direction - IOPscience This site
uses cookies. By continuing to use this site you agree to our use of cookies. To find out more …

Quantum geometric tensor determines the iid conversion rate in the resource theory of asymmetry for any compact Lie group

K Yamaguchi, Y Mitsuhashi, H Tajima - arxiv preprint arxiv:2411.04766, 2024 - arxiv.org
Symmetry is one of the most significant foundational principles underlying nature. The
resource theory of asymmetry (RTA) is a resource-theoretic framework for investigating …

Communication cost of quantum processes

Y Yang, G Chiribella, M Hayashi - IEEE Journal on Selected …, 2020 - ieeexplore.ieee.org
A common scenario in distributed computing involves a client who asks a server to perform a
computation on a remote computer. An important problem is to determine the minimum …