Pseudo-hermitian

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August undefined, 2024

WebAbstract. A diagonalizable non-Hermitian Hamiltonian having a real spectrum may be used to define a unitary quantum system, if one modifies the inner product of the Hilbert … WebNov 5, 2024 · Through this algebraic approach, we present and study the pseudo-Hermitian version of well-known Hermitian topological phases, ranging from two-dimensional …

Phys. Rev. B 106, 014404 (2024) - Pseudo-Hermitian magnon …

WebFeb 1, 2024 · Pseudo-hermitian matrices are matrices hermitian with respect to an indefinite metric. They can be thought of as the truncation of pseudo-hermitian operators, defined over some Krein space, together with the associated metric, to a … WebJul 24, 2024 · The blue ellipse is the general set of anti- P -pseudo-Hermitian two-level Hamiltonians which are decided by four dynamic parameters r, s, u and . When the dynamic parameters are provided some limitations, the anti-PPH Hamiltonian enters into the anti-PT-symmetric or Hermitian phase. icbcthbk

Pseudo-Hermiticity versus PT symmetry: The necessary …

WebFemale pseudohermaphroditism occurs when normal ovaries are present but the body is partially masculinized. Examples are individuals with congenital adrenal hyperplasia … WebWe present here an extension of the Caldeira-Leggett linear response model considering a pseudo-Hermitian PT -symmetric system-reservoir interaction. Our generalized Feynman- Vernon functional, derived from the PT -symmetric coupling, accounts for two influence channels: a velocity-dependent one, which can act in reverse, providing energy to ... WebDec 18, 2001 · We explore the basic propertiesof general pseudo-Hermitian Hamiltonians, develop pseudosupersymmetric quantum mechanics, and study some concrete … moneydie perthshire

Pseudo-hermitian random matrix models: General formalism

Non-Hermitian quantum mechanics - Wikipedia

WebJul 8, 2024 · For non-Hermitian systems, a real spectrum could exist not only in a PT-symmetric system but also in the socalled pseudo-Hermitian one whose Hamiltonian satisfies µHµ −1 = H † , where µ is ... WebDec 13, 2024 · Higher-order exceptional points (EPs), resulting from non-Hermitian degeneracies, have shown greater advantages in sensitive enhancement than second-order EPs (EP2s). Therefore, seeking higher-order EPs in various quantum systems is important for quantum information science. Here we propose a benchmark cavity optomechanical … money dials ramitWebOct 1, 2024 · Pseudo-hermitian random matrix theory: a review. Joshua Feinberg1,2 and Roman Riser1,2. Published under licence by IOP Publishing Ltd. Journal of Physics: … icbc territory map

"WebJan 13, 2024 · The pseudo-Hermitian sensor exhibits divergent susceptibility in a dynamical evolution that does not necessarily involve an exceptional point. We demonstrate its potential advantages to overcome noises that cannot be … " - Pseudo-hermitian

Pseudo-hermitian

Deconstructing non-dissipative non-Dirac-Hermitian ... - 豆丁网

WebJan 5, 2024 · The main purpose of this paper is to derive some Liouville type theorems in the category of pseudo-Hermitian manifolds. Recall that a pseudo-Hermitian manifold is a 2m_0+1 dimensional manifold M with a codimension one CR structure ( HM , J) and a one-form \theta such that HM=\ker (\theta ) and the Levi form L_\theta (X,Y)=d\theta (X,JY) is ...

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WebAug 13, 2024 · The results in the Hermitian and pseudo-Hermitian cases coincide if the evolution is unitary with some well-defined inner product. We also analyze two previously studied examples and find that they are consistent with our theory. In addition, we give some explanations of our results with two examples. 1. Introduction WebJan 1, 2024 · The pseudo-Hermiticity generalizes this concept to situations where the alternative metric G may be indefinite. In this sense, the pseudo-Hermiticity appeared in …

WebDeconstructing non-dissipative non-Dirac-Hermitian relativistic quantum systems WebSep 30, 2024 · The Bloch Hamiltonian of the pseudo-Hermitian Chern insulator is defined in the basis of the q-deformed Pauli matrices, which are related to the representation of the deformed algebras. We show the bulk-surface duality of the pseudo-Hermitian phases, then further build a concrete relation between the static band topology and quench dynamics, …

WebBy the definition, standard pseudo-Hermitian manifolds are called K -contact manifolds by Sasaki. In particular, standard pseudo-Hermitian manifolds of constant curvature Λ turn out to be Sasakian space forms. It is well known that a conformally flat manifold contains a class of Riemannian manifolds of constant curvature. WebSep 17, 2024 · If the pseudo-Hermitian Ricci curvature tensor is a scalar (field) multiple of the Levi form in a strictly pseudo-convex almost CR manifold, then it is said to have the pseudo-Einstein structure. A pseudo-Hermitian CR space form is a strictly pseudo-convex CR manifold of constant holomorphic sectional curvature (for Tanaka-Webster connection).

WebJun 9, 2024 · Joshua Feinberg, Roman Riser. We review our recent results on pseudo-hermitian random matrix theory which were hitherto presented in various conferences and talks. (Detailed accounts of our work will appear soon in separate publications.) Following an introduction of this new type of random matrices, we focus on two specific models of …

WebFeb 1, 2024 · Pseudo-hermitian matrices are matrices hermitian with respect to an indefinite metric. They can be thought of as the truncation of pseudo-hermitian operators, … money dial lyricsWebApr 28, 2013 · Pseudo-Hermitian quantum mechanics is a representation of conventional quantum mechanics that allows for describing unitary quantum systems using non … icbc thai leasing nature of businessWebNov 13, 2014 · Things are rather peculiar in the realm of reef fish. Few phenomenons are clear cut in black and white. At a glance it’s as if the myriad of biological processes walk … icbc thamrin