The discretized Schrodinger equation and simple models for
... While the relationship between the tight-binding model and the discrete Schrödinger equation has been known for some time for the bulk case, its consequences and implications for the quantum-confined case (e.g., the infinite square well) have been far less well appreciated. This is perhaps due to t ...
... While the relationship between the tight-binding model and the discrete Schrödinger equation has been known for some time for the bulk case, its consequences and implications for the quantum-confined case (e.g., the infinite square well) have been far less well appreciated. This is perhaps due to t ...
Particles and Fields
... where the radius a of the electron cloud is taken to be 0.5 Å. The forces which keep the protons and neutrons bound in the nucleus are very different from and much stronger than the Coulomb forces acting between electric charges. Indeed, neutrons have no charge, and therefore no Coulomb field. Neve ...
... where the radius a of the electron cloud is taken to be 0.5 Å. The forces which keep the protons and neutrons bound in the nucleus are very different from and much stronger than the Coulomb forces acting between electric charges. Indeed, neutrons have no charge, and therefore no Coulomb field. Neve ...
Bose-Einstein condensation in interacting gases
... Associée au CNRS (UA 1306) et aux Universités Paris 6 et Paris 7. ...
... Associée au CNRS (UA 1306) et aux Universités Paris 6 et Paris 7. ...
Gravitational, rotational and topological quantum phase shifts in
... 20 meV and moves with a velocity of 2000 ms-'. This curious dual nature of neutrons, sometimes a particle, sometimes a wave, is wonderfully manifested in the highly non-local effects of neutron interferometry. The seemingly incompatible point-by-point motion of particles in spacetime as described by ...
... 20 meV and moves with a velocity of 2000 ms-'. This curious dual nature of neutrons, sometimes a particle, sometimes a wave, is wonderfully manifested in the highly non-local effects of neutron interferometry. The seemingly incompatible point-by-point motion of particles in spacetime as described by ...
"Rovelli's World"
... than one state). If there is any hope of understanding how a system may behave as observer without renouncing the postulate that all systems are equivalent, then the same kind of processes—“collapse”—that happens between an electron and a CERN machine, may also happen between an electron and another ...
... than one state). If there is any hope of understanding how a system may behave as observer without renouncing the postulate that all systems are equivalent, then the same kind of processes—“collapse”—that happens between an electron and a CERN machine, may also happen between an electron and another ...
COLD ATOMS AND CREATION OF NEW STATES OF MATTER: BOSE-
... clearly showing the distinctly different modes of expansion of condensate and thermal cloud. We further give two examples of wave guides for atomic de Broglie matter waves. One structure, the Kapitza wave guide, uses the interaction between an electrically polarizable atom and a charged wire. For st ...
... clearly showing the distinctly different modes of expansion of condensate and thermal cloud. We further give two examples of wave guides for atomic de Broglie matter waves. One structure, the Kapitza wave guide, uses the interaction between an electrically polarizable atom and a charged wire. For st ...
PHYS 1443 – Section 501 Lecture #1
... • Accelerates particles along a linear path using resonance principle • A series of metal tubes are located in a vacuum vessel and connected successively to alternating terminals of radio frequency oscillator • The directions of the electric fields changes before the particles exits the ...
... • Accelerates particles along a linear path using resonance principle • A series of metal tubes are located in a vacuum vessel and connected successively to alternating terminals of radio frequency oscillator • The directions of the electric fields changes before the particles exits the ...
Geometric phases in quantum systems of pure and mixed state
... The purpose of this work is to introduce the concept of geometric phase and to describe different variants for quantum systems which are in a pure or mixed state. This work is divided into 5 parts. A preliminary section is intended to prepare the reader for the mathematical concepts and reasoning im ...
... The purpose of this work is to introduce the concept of geometric phase and to describe different variants for quantum systems which are in a pure or mixed state. This work is divided into 5 parts. A preliminary section is intended to prepare the reader for the mathematical concepts and reasoning im ...
Fifth Quantum Thermodynamics Conference (QTD5)
... systems as such. In this work we bring together these two lines of research by studying thermodynamic protocols for systems that interact strongly with thermal baths. In this case, the system does not equilibrate to a thermal state of its internal Hamiltonian, although equilibration is still guarant ...
... systems as such. In this work we bring together these two lines of research by studying thermodynamic protocols for systems that interact strongly with thermal baths. In this case, the system does not equilibrate to a thermal state of its internal Hamiltonian, although equilibration is still guarant ...
Chapter 2 Rydberg Atoms
... fundamental properties such as transition frequencies, radiative lifetime or static polarisability in terms of the principal quantum number, which can be derived from the analytic solutions for the wavefunctions of hydrogen. For the alkali metal atoms, the interaction with the core creates a perturb ...
... fundamental properties such as transition frequencies, radiative lifetime or static polarisability in terms of the principal quantum number, which can be derived from the analytic solutions for the wavefunctions of hydrogen. For the alkali metal atoms, the interaction with the core creates a perturb ...
On quantum obfuscation - University of Maryland Institute for
... modern study of theoretical cryptography appears to be in the famous paper of Diffie and Hellman [17]. There, it was suggested that public-key cryptosystems might be constructible via obfuscation of privatekey schemes; this was viewed as a reasonable possibility because writing code in an obfuscated ...
... modern study of theoretical cryptography appears to be in the famous paper of Diffie and Hellman [17]. There, it was suggested that public-key cryptosystems might be constructible via obfuscation of privatekey schemes; this was viewed as a reasonable possibility because writing code in an obfuscated ...
Sample Chapter 9
... system exactly. We simply insert the potential V and solve for the wave function ψ and the energy E. Unfortunately, there are very few potentials, such as the infinite square well or the Coulomb potential of the hydrogen atom, for which a simple exact solution exists. In order to make any further pr ...
... system exactly. We simply insert the potential V and solve for the wave function ψ and the energy E. Unfortunately, there are very few potentials, such as the infinite square well or the Coulomb potential of the hydrogen atom, for which a simple exact solution exists. In order to make any further pr ...
Entangling Photons via Four-Wave Mixing in a Rubidium Vapor Cell
... We investigate electromagnetically induced transparency (EIT) and four-wave mixing (FWM) as mechanisms to generate entangled optical fields. Entanglement is a central concept of quantum mechanics, and holds promise for a variety of applications, including the realization of quantum cryptography and ...
... We investigate electromagnetically induced transparency (EIT) and four-wave mixing (FWM) as mechanisms to generate entangled optical fields. Entanglement is a central concept of quantum mechanics, and holds promise for a variety of applications, including the realization of quantum cryptography and ...
Quantum Reflection at Strong Magnetic Fields
... to modify the propagation of (real) light fields through vacuum. In 1936, W. Heisenberg and his PhD student H. Euler published a generalization of the Maxwell Lagrangian which is now known as the Heisenberg-Euler Lagrangian [3]. It describes the nonlinear dynamics of slowly varying electromagnetic f ...
... to modify the propagation of (real) light fields through vacuum. In 1936, W. Heisenberg and his PhD student H. Euler published a generalization of the Maxwell Lagrangian which is now known as the Heisenberg-Euler Lagrangian [3]. It describes the nonlinear dynamics of slowly varying electromagnetic f ...
Introduction to Supersymmetry
... the Feynman rules for the propagator of a Ψ and Ψc line are identical. Construction of invariant amplitudes involving Majorana fermions When computing an invariant amplitude, one first writes down the relevant Feynman diagrams with no arrows on any Majorana fermion line. The number of distinct graphs ...
... the Feynman rules for the propagator of a Ψ and Ψc line are identical. Construction of invariant amplitudes involving Majorana fermions When computing an invariant amplitude, one first writes down the relevant Feynman diagrams with no arrows on any Majorana fermion line. The number of distinct graphs ...
Comment on “Non-representative Quantum Mechanical Weak Values”
... where g is the (time-integrated) coupling constant, S is the operator whose weak value we wish to measure and PM is the conjugate momentum to the measuring device. Svensson’s procedure for producing a weak measurement entails taking the coupling constant g to the limit g → 0. This approach is differ ...
... where g is the (time-integrated) coupling constant, S is the operator whose weak value we wish to measure and PM is the conjugate momentum to the measuring device. Svensson’s procedure for producing a weak measurement entails taking the coupling constant g to the limit g → 0. This approach is differ ...
Read State-of-the-art Report (pdf file) - FB3
... hinted by Bennett [12], any forward computation (or execution) can be transformed into a reversible one by just keeping an history of all the information overwritten and hence lost (for example a variable update) by the forward computation, and then use this information to reverse (or undo) the forw ...
... hinted by Bennett [12], any forward computation (or execution) can be transformed into a reversible one by just keeping an history of all the information overwritten and hence lost (for example a variable update) by the forward computation, and then use this information to reverse (or undo) the forw ...
Reading list for Advanced Philosophy of Physics: the
... organising it doubtless betrays various philosophical prejudices. (One prejudice that I’m aware of: the list errs towards a non-historical approach. The review article by Uffink, below, is a good starting point for those who want to engage with the historical development of the subject.) Whenever I ...
... organising it doubtless betrays various philosophical prejudices. (One prejudice that I’m aware of: the list errs towards a non-historical approach. The review article by Uffink, below, is a good starting point for those who want to engage with the historical development of the subject.) Whenever I ...
pages 851-900 - Light and Matter
... numbers of photons: four photons in figure i/3, for example. A wrong interpretation: photons interfering with each other One possible interpretation of wave-particle duality that occurred to physicists early in the game was that perhaps the interference effects came from photons interacting with eac ...
... numbers of photons: four photons in figure i/3, for example. A wrong interpretation: photons interfering with each other One possible interpretation of wave-particle duality that occurred to physicists early in the game was that perhaps the interference effects came from photons interacting with eac ...