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Applied quantum mechanics 1 Applied Quantum Mechanics
Applied quantum mechanics 1 Applied Quantum Mechanics

Life in the Higgs condensate, where electrons have mass
Life in the Higgs condensate, where electrons have mass

... Texas A&M University, Department of Physics and Astronomy, College Station, USA The particle recently discovered by the CMS and ATLAS collaborations at CERN is almost certainly a Higgs boson, fulfilling a quest that can be traced back to three seminal high-energy papers of 1964, but which is intimat ...
Cornell University – Toby Berger
Cornell University – Toby Berger

... classical and quantum information theoretical techniques to find an expression for the optimal tradeoff curve attainable by the above method. In addition [5] contains new upper bounds on the high-entanglement region, improving on those of Bennett et al. 4. THE UNION OF PHYSICS AND INFORMATION [4]. C ...
Jort Bergfeld : Completeness for a quantum hybrid logic.
Jort Bergfeld : Completeness for a quantum hybrid logic.

... Abstract: In this presentation I will introduce a quantum hybrid logic (QHL) on finite dimensional quantum Kripke frames. This quantum hybrid logic has, besides the classical connectives, an operator expressing non-orthogonality, @_i operators to express truth at a fixed state i and a "down arrow" t ...
Why I Still Like String Theory
Why I Still Like String Theory

... as another idea that may be more interesting. Really though I dont see these as alternatives. The “alternatives theory view” is a social construct that came out of in-fighting between physicists. There is only one right theory of quantum gravity and if more than one idea seems to have good features ...
i∂φ
i∂φ

Quantum Memories at Room-Temperature Supervisors: Dr Dylan
Quantum Memories at Room-Temperature Supervisors: Dr Dylan

COMPLEXITY OF QUANTUM FIELD THEORIES 1. Introduction
COMPLEXITY OF QUANTUM FIELD THEORIES 1. Introduction

... may only solve a very restricted class of theories exactly – such theories typically have infinitely many fields or reside in one spatial dimension[3]. Therefore, for computing quantities in realistic field theories we turn to numerical solutions. The algorithms developed for classical computers hav ...
Quantum Mechanics Lecture Course for 4 Semester Students by W.B. von Schlippe
Quantum Mechanics Lecture Course for 4 Semester Students by W.B. von Schlippe

Document
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... Prove that, given a pair of normalized but not orthogonal functions ψ1 and ψ2, the function ψ3 = ψ2 – Sψ1 is orthogonal to ψ1 if S is the overlap integral of ψ1 and ψ2. Is ψ3 normalized? (Use the back of the page if necessary). ...
Separation of internal and center-of
Separation of internal and center-of

5 The Renormalization Group
5 The Renormalization Group

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The problem states

Postulate 1 of Quantum Mechanics (wave function)
Postulate 1 of Quantum Mechanics (wave function)

ПУБЛИКАЦИИ ЛАБОРАТОРИИ ФИЗИКИ ФУНДАМЕНТАЛЬНЫХ
ПУБЛИКАЦИИ ЛАБОРАТОРИИ ФИЗИКИ ФУНДАМЕНТАЛЬНЫХ

... We construct interactions of nucleons N with higher-spin resonances R invariant under point and gauge transformations of the Rarita-Schwinger field. It is found for arbitrarily high spin of a resonance that the requirement of point- and gauge-invariance uniquely determines a Lagrangian of NR interac ...
on a subtraction formalism for the multiplication of causal singular
on a subtraction formalism for the multiplication of causal singular

Rezakhani, Ali
Rezakhani, Ali

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Precision EWK - Durham University
Precision EWK - Durham University

Homework 4 plus notes out: 4-22 due: 4
Homework 4 plus notes out: 4-22 due: 4

... show that if the system is initially in the vacuum (for modes 1 and 2), then at finite times the expectations hn1 i = hn2 i are finite, but the variance in n1 − n2 vanishes. (This takes a bit of operator algebra. See me if you need help!) Thus, remarkably, one can have a noise-free quantity in some ...
Two Times - University of Southern California
Two Times - University of Southern California

...  2T-physics solves this (a property of 4+2 dims.) – no need for axion! •Why these degrees of freedom? And why in these patterns? •25 parameters : masses, couplings, mixings – is there a theory that determines them from first principles? Is Higgs the answer to the origin of mass ? LHC 2008 !!  2T-p ...
Smolin - Bell paper - International Journal of Quantum Foundations
Smolin - Bell paper - International Journal of Quantum Foundations

... temperature T → 0 in a way that keeps a fixed value for the diffusion constant νλ fixed. This regime is defined by holding fixed a dimensionless scaled temperature t= ...
Department of Mathematics Research Colloquia 1998 – 2000  Dec 8 2000
Department of Mathematics Research Colloquia 1998 – 2000 Dec 8 2000

A theory of resonant interactions in dilute quantum gases Murray
A theory of resonant interactions in dilute quantum gases Murray

Quantum Mechanical Model of the Atom
Quantum Mechanical Model of the Atom

Why Does Space Exist?
Why Does Space Exist?

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Scalar field theory

In theoretical physics, scalar field theory can refer to a classical or quantum theory of scalar fields. A scalar field is invariant under any Lorentz transformation.The only fundamental scalar quantum field that has been observed in nature is the Higgs field. However, scalar quantum fields feature in the effective field theory descriptions of many physical phenomena. An example is the pion, which is actually a pseudoscalar.Since they do not involve polarization complications, scalar fields are often the easiest to appreciate second quantization through. For this reason, scalar field theories are often used for purposes of introduction of novel concepts and techniques.The signature of the metric employed below is (+, −, −, −).
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