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In quantum mechanics, superselection extends the concept of selection rules. Superselection rules are postulated rules forbidding the preparation of quantum...

frame is mathematically equivalent to superselection rules. This is a powerful statement because superselection rules have long been thought to have axiomatic...

book. Together with Eugene Wigner and Gian-Carlo Wick, he introduced superselection rules and studied the representations of commutator and anti-commutator...

In quantum mechanics, einselections, short for "environment-induced superselection", is a name coined by Wojciech H. Zurek for a process which is claimed...

Wick, G. -C.; Wightman, A. S.; Wigner, Eugene P. (15 June 1970). "Superselection Rule for Charge". Physical Review D. 1 (12). American Physical Society...

only one of them. The form of decoherence known as environment-induced superselection proposes that when a quantum system interacts with the environment,...

infinity, which is determined by the velocity of a point charge, defines superselection sectors for the particle's Hilbert space. This is unlike the usual Fock...

Rudolph, Terry; Spekkens, Robert W. (April–June 2007). "Reference frames, superselection rules, and quantum information". Reviews of Modern Physics. 79 (2):...

position. However, a loosening of the concept of superselection sector, known as the quotient superselection sector, effectively ignores two-dimensional particles...

selectance, selectee, selection, selective, selectivity, selector, superselection, uniselector leg- law Latin lex, legis allege, disloyal, disloyalty...

corresponds to a rotation by 2π. This splits the Hilbert space into two superselection sectors. Bosonic operators commute with (−1)F whereas fermionic operators...

established that the magnetization in the Ising model eventually defines superselection sectors, separated domains not linked by finite fluctuations. Kramers...

perpendicular to the surface will be observed in the vibrational spectrum. Superselection rule Spin-forbidden reactions Singlet fission Harris & Bertolucci, p...

Particle physics and representation theory Here the possibility of superselection rules is ignored. It may be the case that a system cannot be prepared...

quantum-mechanical description of the cat-and-particle system must include a superselection rule.) "Wigner's friend" is a thought experiment intended to make that...

coherence) with each other. This is called "environmentally-induced superselection", or einselection. The decohered elements of the system no longer exhibit...

ourselves to a superselection sector. The cyclicity of the vacuum demanded by the Wightman axioms means that they describe only the superselection sector of...

chromodynamics is an ordering transition; it is discussed in terms of superselection. Entropy Topological order Impurity Superstructure (condensed matter)...

Doplicher and John E. Roberts, elucidated the possible structure of the superselection sectors of the observables in theories with short-range forces. Sectors...

representations. Each irreducible representation (up to equivalence) is called a superselection sector. We assume there is a pure state called the vacuum such that...

collaboration with Rudolf Haag. With John E. Roberts and Haag, he examined superselection rules in the algebraic quantum field theory, providing the first proof...

stabilizer of the VEV). In other words, there are at least three different superselection sections, which is typical for supersymmetric theories. Only case III...

Hamiltonian cannot be split into a free and an interacting part within a superselection sector. Moreover, even if in the Schrödinger picture the Hamiltonian...

equivalent to the topological sphere S 2 {\displaystyle S^{2}} . So, the superselection sectors are classified by the second homotopy group of Σ {\displaystyle...

)=g[X(\sigma ,\tau )]} For each conjugacy class of G, we have a different superselection sector (wrt the worldsheet). The conjugacy class consisting of the identity...

whose integral depends only upon the homotopy class; this results in superselection sectors in the quantized model. In (1 + 1)-dimensional spacetime, a...

Bell's theorem, EPR paradox and CHSH inequality quantum teleportation superselection rule quantum erasure delayed choice experiment Quantum Zeno effect premeasurement...

(2006). From Micro to Macro Quantum Systems, (A Unified Formalism with Superselection Rules and Its Applications). World Scientific. ISBN 978-1-86094-625-7...

quantum-mechanical potentials Introduction to quantum mechanics Exception: superselection rules Some textbooks (e.g. Cohen Tannoudji, Liboff) define "stationary...

infraparticles moving with different velocities belong to different superselection sectors. Let's say they have momenta p′ and p respectively. Then as...

or temperature is raised above T c {\displaystyle T_{c}} . See also superselection sector The main mathematical tools to study critical points are renormalization...

selectance, selectee, selection, selective, selectivity, selector, superselection, uniselector leg- law Latin lex, legis allege, disloyal, disloyalty...

competed in duets. Every duo performed a song they were given. The superselection took place in an old sewage treatment plant in Prague, Czech Republic...

Conformally Covariant Coupled Field Equations 1983 Negative-Norm States, Superselection Rules, and the Lepton Family 1983 Relativistic Oscillator Linearly Rising...

fermionic anyons, it cannot be used as a quantum memory as fermion parity superselection does not allow for superpositions of the logical states. Topologically...

entanglement, and ability to act as a reference system, under arbitrary superselection rules". Physical Review A. 77 (3) 032114. arXiv:quant-ph/0501121. Bibcode:2008PhRvA...

with anti-de Sitter asymptotics. If so, this could describe a kind of superselection sector of the putative background-independent theory. But it would still...

(link) Longo, Roberto (1994). "Inclusions of von Neumann algebras and superselection structures". 11th International Conference on Mathematical Physics (ICMP-11)...

different physics. In other words, the Hilbert space decomposes into superselection sectors since expectation values of gauge invariant operators between...

S2CID 250755905. Marolf, D; Peet, AW (1999). "Brane baldness versus superselection sectors". Physical Review D. 60 (10) 105007. arXiv:hep-th/9903213. Bibcode:1999PhRvD...

distinguished concerning their possible fulfillment of the Messiah–Greenberg superselection rule. This rule states that the symmetry of the wave function of a steady...

S N {\displaystyle S_{N}} is an observable). This allows different superselection sectors, each parameterized by a Young diagram of S N {\displaystyle...

ISSN 0039-7857. S2CID 6367326. Earman, John (September 27, 2008). "Superselection Rules for Philosophers". Erkenntnis. 69 (3). Springer Science and Business...

C {\displaystyle {\mathcal {C}}} have finitely many distinct types (superselection sectors) and that every quasiparticle can be broken down via measurements...

Since its presence is due to a central extension, it is subject to a superselection rule which guarantees that, in any physical system having Virasoro symmetry...

Superradiant laser Supersaturation Superseded scientific theories Superselection Superselection rule Supersolid Supersonic fracture Supersonic speed Supersonic...

Hamiltonian cannot be split into a free and an interacting part within a superselection sector. Moreover, even if in the Schrödinger picture the Hamiltonian...