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We show that space-time evolution of one-dimensional fermionic systems is described by nonlinear equations of soliton theory. We identify a space-time dependence of a matrix element of fermionic systems related to the {\it Orthogonality…

可精确求解与可积系统 · 物理学 2007-05-23 Eldad Bettelheim , Alexander G. Abanov , Paul Wiegmann

We derive a well-behaved nonlinear extension of the non-relativistic Liouville-von Neumann dynamics driven by maximal entropy production with conservation of energy and probability. The pure state limit reduces to the usual Schroedinger…

量子物理 · 物理学 2009-11-06 S. Gheorghiu-Svirschevski

Coherent states consist of superposition of infinite number of particles and do not have a classical analogue. We study their evolution in a FLRW cosmology and show that only when full quantum corrections are considered, they may survive…

高能物理 - 唯象学 · 物理学 2015-08-26 Houri Ziaeepour

We study the pure and thermal states of quantized scalar and tensor perturbations in various epochs of Universe evolution. We calculate the density matrix of non-relativistic particles in an environment of these perturbations. We show that…

广义相对论与量子宇宙学 · 物理学 2021-04-23 Z. Haba

The loop quantum theory, which constitutes a very small discontinuous space, as new method is applied to biology. The model of protein folding and lungs is proposed. In the model, some known results are used, and four approximate…

综合物理 · 物理学 2008-01-03 Yi-Fang Chang

This is a review paper concerned with the global consistency of the quantum dynamics of non-commutative systems. Our point of departure is the theory of constrained systems, since it provides a unified description of the classical and…

高能物理 - 理论 · 物理学 2015-05-13 F. S. Bemfica , H. O. Girotti

Quantum causal histories are defined to be causal sets with Hilbert spaces attached to each event and local unitary evolution operators. The reflexivity, antisymmetry, and transitivity properties of a causal set are preserved in the quantum…

高能物理 - 理论 · 物理学 2009-10-31 Fotini Markopoulou

The construction of exactly-solvable models has recently been advanced by considering integrable $T\bar{T}$ deformations and related Hamiltonian deformations in quantum mechanics. We introduce a broader class of non-Hermitian Hamiltonian…

Old and new puzzles of cosmology are reexamined from the point of view of quantum theory of the universe developed here. It is shown that in proposed approach the difficulties of the standard cosmology do not arise. The theory predicts the…

天体物理学 · 物理学 2011-09-13 V. E. Kuzmichev , V. V. Kuzmichev

Cosmology with non-perturbative quantum corrections resulting from torsion is considered. It is shown that the evolution of closed, open and flat Universes is changed because of the presence of a non-zero dispersion of quantum torsion. The…

广义相对论与量子宇宙学 · 物理学 2015-06-11 V. Dzhunushaliev , V. Folomeev , B. Kleihaus , J. Kunz

A few recent innovations of applicability of standard textbook Quantum Theory are reviewed. The three-Hilbert-space formulation of the theory (known from the interacting boson models in nuclear physics) is discussed in its slightly…

数学物理 · 物理学 2010-08-10 Miloslav Znojil

The probability representation, in which cosmological quantum states are described by a standard positive probability distribution, is constructed for minisuperspace models selected by Noether symmetries. In such a case, the tomographic…

广义相对论与量子宇宙学 · 物理学 2008-12-18 S. Capozziello , V. I. Man'ko , G. Marmo , C. Stornaiolo

In this paper we discuss the relevance of the algebraic approach to quantum phenomena first introduced by von Neumann before he confessed to Birkoff that he no longer believed in Hilbert space. This approach is more general and allows us to…

量子物理 · 物理学 2014-08-26 Basil J. Hiley

Quantum groups lead to an algebraic structure that can be realized on quantum spaces. These are noncommutative spaces that inherit a well defined mathematical structure from the quantum group symmetry. In turn such quantum spaces can be…

q-alg · 数学 2009-10-30 J. Wess

The applicability of computational and dynamical systems models to organisms is scrutinized, using examples from developmental biology and cognition. Developmental morphogenesis is dependent on the inherent material properties of developing…

神经元与认知 · 定量生物学 2023-10-24 Stuart A. Newman

A non-Boolean extension of the classical probability model is proposed. The non-Boolean probabilities reproduce typical quantum phenomena. The proposed model is more general and more abstract, but easier to interpret, than the quantum…

数学物理 · 物理学 2010-01-22 Gerd Niestegge

Some fundamental aspects related with the construction of Robertson-Schr\"odinger like uncertainty principle inequalities are reported in order to provide an overall description of quantumness, separability and nonlocality of quantum…

量子物理 · 物理学 2018-03-14 Orfeu Bertolami , Alex E. Bernardini , Pedro Leal

A new class of state transformations that are quantum mechanically prohibited is introduced. These can be seen as the generalization of the universal-NOT transformation which, for all pure inputs state of a given Hilbert space produces pure…

量子物理 · 物理学 2015-06-26 Vittorio Giovannetti , Rosario Fazio

For a class of interacting particle systems in continuous space, we show that finite-volume approximations of the bulk diffusion matrix converge at an algebraic rate. The models we consider are reversible with respect to the Poisson…

概率论 · 数学 2021-12-07 Arianna Giunti , Chenlin Gu , Jean-Christophe Mourrat

A realistic measurement-free theory for the quantum physics of multiple qubits is proposed. This theory is based on a symbolic representation of a fractal state-space geometry which is invariant under the action of deterministic and locally…

量子物理 · 物理学 2013-05-21 T. N. Palmer