Quantum channels on duals of von Neumann algebras in the Schrödinger picture
- URL: http://arxiv.org/abs/2608.15116v1
- Date: Sat, 15 Aug 2026 08:35:29 GMT
- Title: Quantum channels on duals of von Neumann algebras in the Schrödinger picture
- Abstract summary: We consider quantum channels as completely positive maps on the duals of general von Neumann algebras in the Schrodinger picture.<n>We investigate the construction of such channels through Pettis integrals using representations of topological groups.
- Score: 0.0
- License: http://creativecommons.org/licenses/by-nc-sa/4.0/
- Abstract: The theory of quantum channels is traditionally studied either on finite-dimensional state spaces or within the Heisenberg picture as completely positive maps on C^*-algebras. In this paper, we consider quantum channels as completely positive maps on the duals of general von Neumann algebras in the Schrodinger picture. We investigate the construction of such channels through Pettis integrals using representations of topological groups.
Related papers
- Quantum Coherence Spaces Revisited: A von Neumann (Co)Algebraic Approach [0.0]
We describe a categorical model of MALL inspired by the Heisenberg-Schrdinger duality of finite-dimensional quantum theory.<n>The development is based on noncommutative geometry and finite-dimensional von Neumann (co)algebras.
arXiv Detail & Related papers (2026-01-22T10:35:13Z) - Quantum channels, complex Stiefel manifolds, and optimization [45.9982965995401]
We establish a continuity relation between the topological space of quantum channels and the quotient of the complex Stiefel manifold.
The established relation can be applied to various quantum optimization problems.
arXiv Detail & Related papers (2024-08-19T09:15:54Z) - Channel-State duality with centers [0.0]
We study extensions of the mappings arising in usual channel-state duality to the case of Hilbert spaces with a direct sum structure.
This setting arises in representations of algebras with centers, which are commonly associated with constraints.
It has many physical applications from quantum many-body theory to holography and quantum gravity.
arXiv Detail & Related papers (2024-04-24T17:35:02Z) - Quantization of pseudo-hermitian systems [0.0]
We present a covariant quantization scheme for pseudoclassical theories focused on non-hermitian quantum mechanics.
The quantization maps canonically related pseudoclassical theories to equivalent quantum realizations in arbitrary dimensions.
arXiv Detail & Related papers (2023-12-22T18:33:19Z) - Weyl channels for multipartite systems [42.37986459997699]
Quantum channels describe unitary and non-unitary evolution of quantum systems.
We show that these channels are completely characterized by elements drawn of finite cyclic groups.
arXiv Detail & Related papers (2023-10-17T02:45:47Z) - The Wasserstein distance of order 1 for quantum spin systems on infinite
lattices [13.452510519858995]
We show a generalization of the Wasserstein distance of order 1 to quantum spin systems on the lattice $mathbbZd$.
We also prove that local quantum commuting interactions above a critical temperature satisfy a transportation-cost inequality.
arXiv Detail & Related papers (2022-10-20T17:46:18Z) - Quantum sampling for the Euclidean path integral of lattice gauge theory [0.0]
We discuss quantum computation of lattice gauge theory in the path integral formalism.
We utilize a quantum sampling algorithm to generate gauge configurations, and demonstrate a benchmark test of $Z$ lattice gauge theory on a four-dimensional hypercube.
arXiv Detail & Related papers (2022-01-29T10:52:02Z) - Towards a variational Jordan-Lee-Preskill quantum algorithm [9.548089725859297]
We formulate the theory of (time-dependent) variational quantum simulation, explicitly designed for quantum simulation of quantum field theory.
We develop hybrid quantum-classical algorithms for crucial ingredients in particle scattering experiments, including encoding, state preparation, and time evolution.
arXiv Detail & Related papers (2021-09-12T16:04:44Z) - Photon-mediated Stroboscopic Quantum Simulation of a $\mathbb{Z}_{2}$
Lattice Gauge Theory [58.720142291102135]
Quantum simulation of lattice gauge theories (LGTs) aims at tackling non-perturbative particle and condensed matter physics.
One of the current challenges is to go beyond 1+1 dimensions, where four-body (plaquette) interactions, not contained naturally in quantum simulating devices, appear.
We show how to prepare the ground state and measure Wilson loops using state-of-the-art techniques in atomic physics.
arXiv Detail & Related papers (2021-07-27T18:10:08Z) - Quantum simulation of gauge theory via orbifold lattice [47.28069960496992]
We propose a new framework for simulating $textU(k)$ Yang-Mills theory on a universal quantum computer.
We discuss the application of our constructions to computing static properties and real-time dynamics of Yang-Mills theories.
arXiv Detail & Related papers (2020-11-12T18:49:11Z) - Unraveling the topology of dissipative quantum systems [58.720142291102135]
We discuss topology in dissipative quantum systems from the perspective of quantum trajectories.
We show for a broad family of translation-invariant collapse models that the set of dark state-inducing Hamiltonians imposes a nontrivial topological structure on the space of Hamiltonians.
arXiv Detail & Related papers (2020-07-12T11:26:02Z) - Lagrangian description of Heisenberg and Landau-von Neumann equations of
motion [55.41644538483948]
An explicit Lagrangian description is given for the Heisenberg equation on the algebra of operators of a quantum system, and for the Landau-von Neumann equation on the manifold of quantum states which are isospectral with respect to a fixed reference quantum state.
arXiv Detail & Related papers (2020-05-04T22:46:37Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.