Search results for "03.65.ta"

showing 3 items of 3 documents

Measurement of quantum states of neutrons in the Earth's gravitational field

2003

The lowest stationary quantum state of neutrons in the Earth's gravitational field is identified in the measurement of neutron transmission between a horizontal mirror on the bottom and an absorber/scatterer on top. Such an assembly is not transparent for neutrons if the absorber height is smaller than the ``height'' of the lowest quantum state.

Nuclear and High Energy PhysicsNeutron transportAstrophysics::High Energy Astrophysical PhenomenaNuclear TheoryFOS: Physical sciences01 natural sciencesHigh Energy Physics - Phenomenology (hep-ph)Gravitational fieldQuantum stateQuantum mechanics0103 physical sciencesNeutronQuantum field theory010306 general physicsNuclear ExperimentPhysics03.65.Ta010308 nuclear & particles physics[PHYS.HTHE]Physics [physics]/High Energy Physics - Theory [hep-th]FermionQuantum numberquantum theoryneutron reflectionComputational physicsHigh Energy Physics - Phenomenologyneutron absorptionquantum gravity[PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]Quantum gravity
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Reply to Comment on Measurement of quantum states of neutrons in the Earth's gravitational field

2003

Physical review / D 68(10), 108702 (2003). doi:10.1103/PhysRevD.68.108702

PhysicsPhysics::General PhysicsNuclear and High Energy PhysicsQuantum geometry03.65.TaThermal quantum field theory010308 nuclear & particles physics[PHYS.HTHE]Physics [physics]/High Energy Physics - Theory [hep-th]Quantum dynamicsQuantum numberquantum theory53001 natural sciencesGeneral Relativity and Quantum CosmologyQuantization (physics)Gravitational fieldQuantum stateQuantum mechanics0103 physical sciencesQuantum gravityddc:530010306 general physics
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Information dynamics: Temporal behavior of uncertainty measures

2008

We carry out a systematic study of uncertainty measures that are generic to dynamical processes of varied origins, provided they induce suitable continuous probability distributions. The major technical tool are the information theory methods and inequalities satisfied by Fisher and Shannon information measures. We focus on a compatibility of these inequalities with the prescribed (deterministic, random or quantum) temporal behavior of pertinent probability densities.

Theoretical computer science03.65.taComputer sciencesmoluchowski processesQC1-999General Physics and AstronomyFOS: Physical sciencesschrödinger picture evolutionInformation theory05.40.jcfisher informationshannon entropyinformation functionalsQuantumCondensed Matter - Statistical MechanicsMathematical Physicsentropy methodsdynamics of probability densitiesQuantum PhysicsStatistical Mechanics (cond-mat.stat-mech)02.50.eyPhysicsMathematical Physics (math-ph)information theoretic inequalitiesCompatibility (mechanics)Probability distributionInformation dynamicsQuantum Physics (quant-ph)
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