The pressure increase at 4He l–point explained by means of the
... behavior. On the contrary on a scale shorter than the quantum coherence length c the quantum behavior is restored [10]. Following this approach, when the couples of He 4 molecules lie at a distance smaller or equal to the quantum coherence length c, the atomic dynamics becomes quantum (the related ...
... behavior. On the contrary on a scale shorter than the quantum coherence length c the quantum behavior is restored [10]. Following this approach, when the couples of He 4 molecules lie at a distance smaller or equal to the quantum coherence length c, the atomic dynamics becomes quantum (the related ...
Document
... postulate the existence of the 4-dimentional continuum and its absolute curvature (reference system invariant) caused by energy (momentum-energy tensor). As Heidegger said:" The words are the house of being " we can say:" space-temporal continuum is the house of energy ". But is it necessary to pos ...
... postulate the existence of the 4-dimentional continuum and its absolute curvature (reference system invariant) caused by energy (momentum-energy tensor). As Heidegger said:" The words are the house of being " we can say:" space-temporal continuum is the house of energy ". But is it necessary to pos ...
Newton`s cradle analogue with Bose
... between the chain ends is played now by the wave-function disturbance ∆Ψ which is transmitted through the system. In particular, we assume the lattice prepared with all sites in (say) the |0i state, and the initial disturbance ∆Ψ consists in changing the first site to the |1i state: the latter will ...
... between the chain ends is played now by the wave-function disturbance ∆Ψ which is transmitted through the system. In particular, we assume the lattice prepared with all sites in (say) the |0i state, and the initial disturbance ∆Ψ consists in changing the first site to the |1i state: the latter will ...
Atom InterferometryPrecision D. E. Pritchard
... We are pioneering new measurement techniques using coherent atom optics (such as beam-splitters, mirrors and lenses) to manipulate matter waves. We operate an atom interferometer, similar to a Mach-Zhender optical interferometer, which splits deBroglie waves of matter into two physically separated p ...
... We are pioneering new measurement techniques using coherent atom optics (such as beam-splitters, mirrors and lenses) to manipulate matter waves. We operate an atom interferometer, similar to a Mach-Zhender optical interferometer, which splits deBroglie waves of matter into two physically separated p ...
2009-College-IgorDotsenko
... Object of investigation For many centuries, light itself was an object of interest and investigation for scientists. ...
... Object of investigation For many centuries, light itself was an object of interest and investigation for scientists. ...
7 WZW term in quantum mechanics: single spin
... where we changed orientation of B− and considered B± as an upper (lower) part of some two-dimensional sphere (see Fig.7.2). One can recognize the last integral [9] as a winding number k of the first sphere (B+ ∪ B− around the second "n ∈ S 2 . This number is always integer proving that e2πiW0 does n ...
... where we changed orientation of B− and considered B± as an upper (lower) part of some two-dimensional sphere (see Fig.7.2). One can recognize the last integral [9] as a winding number k of the first sphere (B+ ∪ B− around the second "n ∈ S 2 . This number is always integer proving that e2πiW0 does n ...
Document
... a wave. The double slits change the propagation of the electron wave so that it is ‘processed’ to forms diffraction pattern on the screen. Such process would be impossible if electrons are particle (because no one particle can go through both slits at the same time. Such a simultaneous penetration i ...
... a wave. The double slits change the propagation of the electron wave so that it is ‘processed’ to forms diffraction pattern on the screen. Such process would be impossible if electrons are particle (because no one particle can go through both slits at the same time. Such a simultaneous penetration i ...
Few simple rules to fix the dynamics of classical systems using
... section and, trivially, also Rule 2: if λ = 0 there is no dynamics at all since H = 0 and, as a consequence, [H, n̂1 ] = [H, n̂2 ] = 0. Concerning Rule 3, it is an easy exercise to check that I(t) := n̂1 (t) + M n̂2 (t) is a constant of motion: I(t) = I(0) = n̂1 (0) + M n̂2 (0), for all t ∈ R, since ...
... section and, trivially, also Rule 2: if λ = 0 there is no dynamics at all since H = 0 and, as a consequence, [H, n̂1 ] = [H, n̂2 ] = 0. Concerning Rule 3, it is an easy exercise to check that I(t) := n̂1 (t) + M n̂2 (t) is a constant of motion: I(t) = I(0) = n̂1 (0) + M n̂2 (0), for all t ∈ R, since ...
Notas de F´ısica
... others. In recent years the creation of a molecular BEC from an atomic BEC has been achieved by different techniques such as photoassociation [7], two-photon Raman transition [8] and Feshbach resonance [9]. From a theoretical point of view, molecular BECs may be studied using the GrossPitaevski (GP) ...
... others. In recent years the creation of a molecular BEC from an atomic BEC has been achieved by different techniques such as photoassociation [7], two-photon Raman transition [8] and Feshbach resonance [9]. From a theoretical point of view, molecular BECs may be studied using the GrossPitaevski (GP) ...
Hot gases: The transition from the line spectra to
... A soluble model which illustrates the foundations of statistical mechanics,” Am. J. Phys. 72, 313–323 共2004兲. In this paper I assumed that the atoms are fixed, but the extension to randomly moving atoms in a thermal gas is straightforward along the lines indicated here. ...
... A soluble model which illustrates the foundations of statistical mechanics,” Am. J. Phys. 72, 313–323 共2004兲. In this paper I assumed that the atoms are fixed, but the extension to randomly moving atoms in a thermal gas is straightforward along the lines indicated here. ...
Photon quantum mechanics and beam splitters
... If phase shifters are placed in the arms of the interferometer and the output photons are detected in coincidence, an interference pattern will be observed in the coincidences even though none is observed in the counts of the individual detectors. Greenberger, Horne, and Zeilinger15 give a good expl ...
... If phase shifters are placed in the arms of the interferometer and the output photons are detected in coincidence, an interference pattern will be observed in the coincidences even though none is observed in the counts of the individual detectors. Greenberger, Horne, and Zeilinger15 give a good expl ...
Quantum Strategies V 82, N 5
... namely a sequence of unitary, rather than stochastic, matrices to act on the penny. In standard Dirac notation [13] the basis of V is written hjHl, jT lj. A pure quantum state for the penny is a linear combination ajHl 1 bjT l, a, b [ C, aā 1 b b̄ 1, which means that, if the box is opened, the pe ...
... namely a sequence of unitary, rather than stochastic, matrices to act on the penny. In standard Dirac notation [13] the basis of V is written hjHl, jT lj. A pure quantum state for the penny is a linear combination ajHl 1 bjT l, a, b [ C, aā 1 b b̄ 1, which means that, if the box is opened, the pe ...
Relativistic dynamics, Green function and pseudodifferential operators
... by mean these pseudodifferential operators. For example, in[23] a semi-analytical computation of the three dimensional Green function of a pseudodifferential operator for seakeeping flow problems is proposed where the potential flow model is assumed with harmonic dependence on time and a linearized ...
... by mean these pseudodifferential operators. For example, in[23] a semi-analytical computation of the three dimensional Green function of a pseudodifferential operator for seakeeping flow problems is proposed where the potential flow model is assumed with harmonic dependence on time and a linearized ...