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The Quantum Perspective of Learing
The Quantum Perspective of Learing

- Philsci-Archive
- Philsci-Archive

... The study of the spatio-temporal description of physical processes in quantum electrodynamics is the other main vector of my work. Again I present a controversial view. Quantum electrodynamics is not able to describe physical processes in time in a way similar to classical theory. In fact it relies ...
Die Naturwissenschaften 1935
Die Naturwissenschaften 1935

... and those in a fully deterministic way. During the time evolution, some variables can become more accurately defined, others less so. Overall, one can say that the total indeterminateness does not change, as follows from the fact that the restriction on the accuracies as described under A are the sa ...
Quantum-Fluctuation-Driven Crossover from a Dilute Bose
Quantum-Fluctuation-Driven Crossover from a Dilute Bose

Solvation of electronically excited I2-
Solvation of electronically excited I2-

... solvation effects is common in studies of bulk liquid solvents, where the potential energy surface for the system is a function of the solute geometry and a one-dimensional “solvent coordinate.” The outline of the paper is as follows. The model Hamiltonian which describes the I~*(CO,), interaction p ...
ψ ε
ψ ε

... the semi-classical and large time limits appears in [27], where the classical field limit of non-relativistic many-boson theories is studied in space dimension d > 3. In [56], the case of a short range potential (Assumption 1.1) is considered, with asymptotic states under the form of semi-classicall ...
$doc.title

Document
Document

... Outline of the proofs For theorem-1, Consider two states  ,  in a n-dim Hilbert space and suppose there is a partial erasure with a constraint K.  For simplicity, choose the constraint such that it reduces the parameter space at least 1 dim. The reduced dim. states then may not have in general e ...
Finding a Better-than-Classical Quantum AND/OR Algorithm using
Finding a Better-than-Classical Quantum AND/OR Algorithm using

Computational complexity in electronic structure PERSPECTIVE
Computational complexity in electronic structure PERSPECTIVE

... theoretical chemists access to the emerging subfield of computational complexity focused on classifying quantum Hamiltonians and approximants. We wish to provide new insights into quantum chemistry by encouraging an examination of the essence of computational model chemistries and its relation to th ...
Condensed Matter Approaches to Quantum Gases
Condensed Matter Approaches to Quantum Gases

Axial gravity, massless fermions and trace anomalies
Axial gravity, massless fermions and trace anomalies

The Quantum Circuit Model and Universal Quantum Computation
The Quantum Circuit Model and Universal Quantum Computation

Geometric phases in classical mechanics
Geometric phases in classical mechanics

ppt - Nikhef
ppt - Nikhef

The Status of our Ordinary Three Dimensions in a Quantum Universe 1
The Status of our Ordinary Three Dimensions in a Quantum Universe 1

Universal edge information from wavefunction deformation
Universal edge information from wavefunction deformation

Spin waves - Cornell Laboratory of Atomic and Solid State Physics
Spin waves - Cornell Laboratory of Atomic and Solid State Physics

Decoherence and the Transition from Quantum to Classical
Decoherence and the Transition from Quantum to Classical

Wick Rotation as a New Symmetry
Wick Rotation as a New Symmetry

On Cayley graphs, surface codes, and the limits of homological
On Cayley graphs, surface codes, and the limits of homological

... We shall investigate the constraints on R and δ that we obtain when we switch from surface codes to codes based on higher dimensional topological manifolds, namely the n-dimensional torus, and find exactly the same constraint (1), leading one to ask whether this constraint on the behaviour of (R, δ) ...
The Effect of Strong Magnetic Field on the Standard Model of
The Effect of Strong Magnetic Field on the Standard Model of

... where ~ω = ▽ ×~v is the curl of the turbulent velocity of the fluid, and it is approximately equivalent to the large-scale vortex rotational angular velocity. σ is the electrical conductivity of the fluid and tc is the typical timescale of the turbulence. Eq.(5) shows that the electro-dynamic potent ...
Novel Results for Condensed Matter Systems with Time Reversal Symmetry
Novel Results for Condensed Matter Systems with Time Reversal Symmetry

Entangling Photons via Four-Wave Mixing in a Rubidium Vapor Cell
Entangling Photons via Four-Wave Mixing in a Rubidium Vapor Cell

Fiber Bundles and Quantum Theory
Fiber Bundles and Quantum Theory

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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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