Quantum States of the Field
Zero-magnetic field fractional quantum states
... fractional quantum Hall effect in 1982 there has been considerable theoretical discussion on the possibility of fractional quantization of conductance in the absence of Landau levels formed by a quantizing ...
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Non-Gaussian quantum states of a multimode light field
... basic quantum re- source for continuous-variable quantum technologies such as quantum-enhanced sensing [15] and deterministic quantum state teleportation ...
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A new nonclassicality measure for the quantum states of a bosonic field
... 2 Univ. Lille, CNRS, UMR 8523 - PhLAM - Physique des Lasers Atomes et Molécules, F-59000 Lille, France 3 B. I. Stepanov Institute of Physics, NASB, Nezavisimosti Ave. 68, Minsk 220072 Belarus Abstract. We review a ...
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Entanglement complexity of quantum states, dynamics and quantum computation
... We study the entanglement spectrum of highly excited eigenstates of two known models that exhibit a many-body localization transition, namely the one-dimensional random-field Heisenberg model and the ...
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Generating nonclassical quantum input field states with modulating filters
... of quantum dynamical filters which generate nonclassical states (coherent states, cat states, shaped single and multi-photon states) of quantum optical fields as inputs to general ...
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Thermal equilibrium states in perturbative Algebraic Quantum Field Theory in relation to Thermal Field Theory
... a quantum field theory based on the above axioms has been called Algebraic QFT ...the quantum parameter ~, as will be described in the first ...of quantum field theories is developed ...
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Electric-field Effects On Shallow Impurity States In Gaas-(ga,al)as Quantum Wells
... Some results for the effects of elec- tric field on the donor-related optical properties are also presented for both infinite and finite GaAs-(Ga, A1)As QW's. As a general feature, the d[r] ...
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Introduction to Quantum Field Theory
... We also saw that to do field theory, we have to write down Largrangians involving fields. These are things like V µ or φ or T µν which don’t have to involve particles per se, although obviously in a physical ...
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An Introduction to Quantum Field Theory
... particle states of charged scalars and transversely polarized photons are gauge-invariant, while time-like and longitudinal photon polarizations transform under gauge ...
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QUANTUM FIELD THEORY BASICS
... 5.9 Massless Real Field So far we have assumed a non-zero mass m. Let us now consider the massless case which has some special features. We will assume a real (Majorana) field. First, let us compare to the ...
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Quantum Field Theory I
... 1968 L. W. Alvarez, “for his decisive contributions to elementary particle physics, in par- ticular the discovery of a large number of resonance states, made possible through his development of the technique of ...
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The Philosophy of Quantum Field Theory
... free states can be understood as particle states, we have a theory with an ontology of particles which approximates a more fundamental theory without a particle ...
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Constraints on Cosmology and Quantum Gravity from Quantum Mechanics and Quantum Field Theory
... cosmological states have structure, obey to very good approximation the laws of classical physics on large scales, and are far from ...Typical quantum- mechanical states have none of these ...a ...
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Bound states in continuum: Quantum dots in a quantum well
... a detector is shematically depicted in Fig. 3. Contacts are positioned so to provide a lateral electric field. Upon absorption of the incident radiation the electron concentration in the well increases and leads ...
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Fractional quantum Hall states in a Ge quantum well
... the quantum Hall ...magnetic field and characterizes the rate of mo- mentum ...so-called quantum lifetime, τ q , is deduced from the temperature and field dependence of the Shubnikov de Haas ...
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Quantum spectral curve as a tool for a perturbative quantum field theory
... to S = 0 and various expansions around this point) and deriving the Pomeron pole contribution exactly [53], in contrast to only few perturbative orders reproduced previously. In this work we present another application ...
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Mathematical Nanotechnology: Quantum Field Intentionality
... The nanotechnology will bring new paradigms of the scientific thought and will change our limited vision of the world since the real causes of any phenomenon initi- ate from an atomic scale, the fifth part of the one ...
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Unusual signs in quantum field theory
... There are still various challenges facing mixed action simulations. Mixed action simula- tions always violate unitarity at finite lattice spacing. 5 In MAχPT and PQχPT, the most severe unitarity violations are encoded in ...
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Branes and Supersymmetric Quantum Field Theories
... stretched between two of the D4-branes corresponds to a W-boson, and that a D2-brane filling the two-dimensional space bounded by two of the D4-branes and the two NS5-branes gives us a magnetic monopole, both of them BPS ...
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Homotopy quantum field theory and quantum groups
... will play a role only later in Chapter 4, Section (4.4.1). Note that in case G = {1}, G-algebras and G-coalgebras are nothing but monoids and comonoids in C respectively . 3.2 Frobenius graded systems Recently work has ...
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