Superconducting phase qubit coupled to a nanomechanical resonator:
... model of quantum optics [21]. For a qubit with energy level spacing ⌬⑀ coupled with strength g to a resonator with angular frequency 0 and quality factor Q, the RWA is valid when both 兩0 − ⌬⑀ / ប兩 Ⰶ 0 / Q and g Ⰶ ⌬⑀. However, the resonant Rabi frequency, which is proportional to g, is then much s ...
... model of quantum optics [21]. For a qubit with energy level spacing ⌬⑀ coupled with strength g to a resonator with angular frequency 0 and quality factor Q, the RWA is valid when both 兩0 − ⌬⑀ / ប兩 Ⰶ 0 / Q and g Ⰶ ⌬⑀. However, the resonant Rabi frequency, which is proportional to g, is then much s ...
- Philsci
... Before we approach van Fraassen's discussion, we need to understand that the "equivalence" between the first and second quantized theories is limited, and there remain significant respects in which the representations are not equivalent. Rather than going through all of the details, let me just intr ...
... Before we approach van Fraassen's discussion, we need to understand that the "equivalence" between the first and second quantized theories is limited, and there remain significant respects in which the representations are not equivalent. Rather than going through all of the details, let me just intr ...
Lecture 12
... change of the car’s kinetic energy (K). The car’s energy (also in Joules), changes by an amount equal to the net work done on the car. ...
... change of the car’s kinetic energy (K). The car’s energy (also in Joules), changes by an amount equal to the net work done on the car. ...
Semiclassical Statistical Mechanics
... contribution of each independent degree of freedom to the internal energy appears to be independent of the amplitude of the motion associated with that coordinate. Consider a gas of diatomic molecules for which the internal spring constant is enormous. Unless the kinetic energies are large enough fo ...
... contribution of each independent degree of freedom to the internal energy appears to be independent of the amplitude of the motion associated with that coordinate. Consider a gas of diatomic molecules for which the internal spring constant is enormous. Unless the kinetic energies are large enough fo ...
Influence of Complex Exciton-Phonon Coupling on Optical
... −2.6 ∆) becomes narrower by roughly a factor 1/ N . This is the well-known effect of motional narrowing which leads to the narrow shape of the J-band of molecular aggregates [20, 22], obtained here from a fully dynamical calculation. Upon increasing |C| further the shape of the aggregate spectrum (e ...
... −2.6 ∆) becomes narrower by roughly a factor 1/ N . This is the well-known effect of motional narrowing which leads to the narrow shape of the J-band of molecular aggregates [20, 22], obtained here from a fully dynamical calculation. Upon increasing |C| further the shape of the aggregate spectrum (e ...
The Expansion of the Probability Density Function to Non
... a test run was accomplished. The data used in this study is a part of LANDSAT MSS data of scene 132119595 collected on June 9, 1973 at 9:59 am. The object area includes Monroe Reservoir and Bloomington, Indiana. We selected these data for a test run simply because these data has been studied for man ...
... a test run was accomplished. The data used in this study is a part of LANDSAT MSS data of scene 132119595 collected on June 9, 1973 at 9:59 am. The object area includes Monroe Reservoir and Bloomington, Indiana. We selected these data for a test run simply because these data has been studied for man ...
The Pauli Principle
... • In classical physics a hydrogen atom would be unstable. The electron would spiral into the nucleus as it radiates light. • In quantum physics the states are quantized. The Triumph of Quantum Mechanics: The hydrogen atom is stable! • The energy of hydrogen cannot become arbitrarily negative: ...
... • In classical physics a hydrogen atom would be unstable. The electron would spiral into the nucleus as it radiates light. • In quantum physics the states are quantized. The Triumph of Quantum Mechanics: The hydrogen atom is stable! • The energy of hydrogen cannot become arbitrarily negative: ...
- Philsci
... any part of classical physics, would be able to issue in physical predictions about actual physical states of affairs entirely independently of measurement. Such a theory would be able to predict and explain macroscopic, quasi-classical phenomena as arising from the quantum field alone, without call ...
... any part of classical physics, would be able to issue in physical predictions about actual physical states of affairs entirely independently of measurement. Such a theory would be able to predict and explain macroscopic, quasi-classical phenomena as arising from the quantum field alone, without call ...
Physics 207: Lecture 2 Notes
... velocity v1. If they collide elastically, what is the final velocity of each car ? Identical means m1 = m2 = m Initially vGreen = v1 and vRed = 0 ...
... velocity v1. If they collide elastically, what is the final velocity of each car ? Identical means m1 = m2 = m Initially vGreen = v1 and vRed = 0 ...
Quantum kinetic theory for a condensed bosonic gas
... The quantum-mechanical state of a many-particle system contains an overwhelming amount of data and it is the objective of quantum-statistical mechanics to extract the relevant information from a data subset as small as possible. Such a minimal description then leads to a coarse grained picture of th ...
... The quantum-mechanical state of a many-particle system contains an overwhelming amount of data and it is the objective of quantum-statistical mechanics to extract the relevant information from a data subset as small as possible. Such a minimal description then leads to a coarse grained picture of th ...
Saturation Physics at Forward Rapidity at RHIC
... are in sharp contrast with other models. The prediction presented here uses a Glauber-like model for dipole amplitude with energy dependence in the exponent. figure from I. Vitev, nucl-th/0302002, see also a review by M. Gyulassy, I. Vitev, X.-N. Wang, B.-W. Zhang, nucl-th/0302077 ...
... are in sharp contrast with other models. The prediction presented here uses a Glauber-like model for dipole amplitude with energy dependence in the exponent. figure from I. Vitev, nucl-th/0302002, see also a review by M. Gyulassy, I. Vitev, X.-N. Wang, B.-W. Zhang, nucl-th/0302077 ...
Multiple-Choice Questions 1. D The equation of line is , so the
... at (60, 0) and ( 60, 0) . Then the equation of the parabola is given by y ax 2 25 , for some positive coefficient a . Using the point (60, 0) , for example, we get a ...
... at (60, 0) and ( 60, 0) . Then the equation of the parabola is given by y ax 2 25 , for some positive coefficient a . Using the point (60, 0) , for example, we get a ...
Answers to Coursebook questions – Chapter 2.6
... solution! It is best to first work generally for this problem. Let us first find the change in velocity of the astronaut when one single coin is thrown. ...
... solution! It is best to first work generally for this problem. Let us first find the change in velocity of the astronaut when one single coin is thrown. ...
... in reference [6]. A few two-particle exactly solvable problems are known and therefore the exact solution found out in reference [6] is interesting not only from a physical point of view but also from a mathematical point of view. In this work we propose an other exactly solvable model in which two ...
Efficient generation of a maximally entangled state by
... How does one prepare a quantum state? This is an important problem that has to be tackled. In fact, various interesting and peculiar phenomena are predicted on the basis of highly nonclassical states, and entanglement plays a key role in quantum information protocols [1]. They all rely on the genera ...
... How does one prepare a quantum state? This is an important problem that has to be tackled. In fact, various interesting and peculiar phenomena are predicted on the basis of highly nonclassical states, and entanglement plays a key role in quantum information protocols [1]. They all rely on the genera ...
Renormalization group
In theoretical physics, the renormalization group (RG) refers to a mathematical apparatus that allows systematic investigation of the changes of a physical system as viewed at different distance scales. In particle physics, it reflects the changes in the underlying force laws (codified in a quantum field theory) as the energy scale at which physical processes occur varies, energy/momentum and resolution distance scales being effectively conjugate under the uncertainty principle (cf. Compton wavelength).A change in scale is called a ""scale transformation"". The renormalization group is intimately related to ""scale invariance"" and ""conformal invariance"", symmetries in which a system appears the same at all scales (so-called self-similarity). (However, note that scale transformations are included in conformal transformations, in general: the latter including additional symmetry generators associated with special conformal transformations.)As the scale varies, it is as if one is changing the magnifying power of a notional microscope viewing the system. In so-called renormalizable theories, the system at one scale will generally be seen to consist of self-similar copies of itself when viewed at a smaller scale, with different parameters describing the components of the system. The components, or fundamental variables, may relate to atoms, elementary particles, atomic spins, etc. The parameters of the theory typically describe the interactions of the components. These may be variable ""couplings"" which measure the strength of various forces, or mass parameters themselves. The components themselves may appear to be composed of more of the self-same components as one goes to shorter distances.For example, in quantum electrodynamics (QED), an electron appears to be composed of electrons, positrons (anti-electrons) and photons, as one views it at higher resolution, at very short distances. The electron at such short distances has a slightly different electric charge than does the ""dressed electron"" seen at large distances, and this change, or ""running,"" in the value of the electric charge is determined by the renormalization group equation.