Quantum Zeno Effect, Anti Zeno Effect and the Quantum recurrence theorem
... *Side note 2 - taking N to be finitie is justified by the fact that |cm |2 = 1, thus we can find N for which this sum (truncated at N) is very close to 1 (taking appropriate ). Next, we take a look at the quantum Zeno effect. Zeno’s original paradox: In his original ’arrow paradox’, zeno claimed th ...
... *Side note 2 - taking N to be finitie is justified by the fact that |cm |2 = 1, thus we can find N for which this sum (truncated at N) is very close to 1 (taking appropriate ). Next, we take a look at the quantum Zeno effect. Zeno’s original paradox: In his original ’arrow paradox’, zeno claimed th ...
Tunneling Effect and Its Applications Quantum
... nucleus because of the high energy requirement to escape the very strong potential. In quantum mechanics, however, there is a probability the particle can tunnel through the potential and escape. Then the half-life of the particle becomes finite and the energy of the emission is broadened. ...
... nucleus because of the high energy requirement to escape the very strong potential. In quantum mechanics, however, there is a probability the particle can tunnel through the potential and escape. Then the half-life of the particle becomes finite and the energy of the emission is broadened. ...
Quantum Manipulation of Ultracold Atoms and Photons
... The generation of non-classical correlations (entanglement) between atoms, photons, or combinations thereof, is at the heart of quantum information science. Of particular interest are material systems serving as quantum memories that can be interconnected optically [1-7]. An ensemble of atoms can st ...
... The generation of non-classical correlations (entanglement) between atoms, photons, or combinations thereof, is at the heart of quantum information science. Of particular interest are material systems serving as quantum memories that can be interconnected optically [1-7]. An ensemble of atoms can st ...
Atomic Hong–Ou–Mandel experiment - HAL-IOGS
... probability of joint detection results from the addition of their amplitudes. Because of elementary properties of the beam-splitter, these amplitudes have same modulus but opposite signs, thus their sum vanishes and so also the probability of joint detection (Refs. [16, 17] and Methods). In fact, to ...
... probability of joint detection results from the addition of their amplitudes. Because of elementary properties of the beam-splitter, these amplitudes have same modulus but opposite signs, thus their sum vanishes and so also the probability of joint detection (Refs. [16, 17] and Methods). In fact, to ...
Waves
... We knew its momentum very precisely, because the momentum is a function of the frequency, and the frequency was very well defined. But what is the frequency of our localized wave packet? We had to add a bunch of waves of different frequencies to produce it. ...
... We knew its momentum very precisely, because the momentum is a function of the frequency, and the frequency was very well defined. But what is the frequency of our localized wave packet? We had to add a bunch of waves of different frequencies to produce it. ...
Quantum Mechanics - University of Colorado Boulder
... Really smart students look for the connections between apparently different topics. We can only really learn a concept by seeing it in context, that is, by answering the question: how does this new concept fit in with other, previously learned, concepts? Each of these theories, non-relativistic clas ...
... Really smart students look for the connections between apparently different topics. We can only really learn a concept by seeing it in context, that is, by answering the question: how does this new concept fit in with other, previously learned, concepts? Each of these theories, non-relativistic clas ...
Quantum Mechanics Introduction: Physics
... We'll start with the single-slit experiment. Instead of a light source, we have an M&Mthrowing-machine. Each M&M is covered with white ink so that it leaves a stain on the black wall behind (since, as we all know, the milk chocolate only melts in your mouth). You set your M&M-throwing-machine going, ...
... We'll start with the single-slit experiment. Instead of a light source, we have an M&Mthrowing-machine. Each M&M is covered with white ink so that it leaves a stain on the black wall behind (since, as we all know, the milk chocolate only melts in your mouth). You set your M&M-throwing-machine going, ...
Principle of Least Action
... them all up; and then you use F = ma to figure out where things are heading next. All of this is rather impressive—it really is the way the world works and we can use it to understand things about Nature. For example, showing how the inverse square law for gravity explains Kepler’s observations of p ...
... them all up; and then you use F = ma to figure out where things are heading next. All of this is rather impressive—it really is the way the world works and we can use it to understand things about Nature. For example, showing how the inverse square law for gravity explains Kepler’s observations of p ...
... accidental coincidence rates from the corresponding single rates, knowing the widths of the windows. This method is valid with our very stable source, and it has been checked by comparing it with the methods of Ref. 5, using delayed coincidence channels and/or a time-to-amplitude converter. By subtr ...
Manifestation of classical phase in a single spontaneously emitted
... The concept of phase for a quantum radiation field has been investigated from the early days of quantum mechanics. (For a review, see reference [1].) Most previous work has focussed on defining an appropriate phase operator for states of a single-mode field. In this paper we investigate a one-photon ...
... The concept of phase for a quantum radiation field has been investigated from the early days of quantum mechanics. (For a review, see reference [1].) Most previous work has focussed on defining an appropriate phase operator for states of a single-mode field. In this paper we investigate a one-photon ...
Lecture 1
... us see what happens when we go on increasing the wavelength of the light used for seeing the electrons. Because of its wave nature, light can distinguish two spots as being separate only when the distance between the spots exceeds the wavelength of light. So, when we use light of wavelength larger t ...
... us see what happens when we go on increasing the wavelength of the light used for seeing the electrons. Because of its wave nature, light can distinguish two spots as being separate only when the distance between the spots exceeds the wavelength of light. So, when we use light of wavelength larger t ...
Single photon nonlinear optics in photonic crystals
... exciton, probably by random charging. When these are taken into account in our fit by convolving it with a Gaussian filter (FWHM=0.005 nm), the theoretical model matches the data (black fits). Another reason why the dip does not reach closer to zero, as predicted by theory, is that the dot randomly jum ...
... exciton, probably by random charging. When these are taken into account in our fit by convolving it with a Gaussian filter (FWHM=0.005 nm), the theoretical model matches the data (black fits). Another reason why the dip does not reach closer to zero, as predicted by theory, is that the dot randomly jum ...
ΟΝ THE WAVE FUNCTION OF THE PHOTON
... the photon and with their help the preparation and the measurement of polarization is thoroughly explained. However, after such a heuristic introduction to quantum theory, the authors go on to the study of massive particles and if they ever return to a quantum theory of photons it is always within t ...
... the photon and with their help the preparation and the measurement of polarization is thoroughly explained. However, after such a heuristic introduction to quantum theory, the authors go on to the study of massive particles and if they ever return to a quantum theory of photons it is always within t ...
Experimental characterization of nonlocal photon fluids
... medium arises from the third-order Kerr nonlinearity [15], i.e., the local change in refractive index proportional to the light intensity Δn ! n2 jEj2 : a defocusing nonlinearity with n2 < 0 giving repulsive interactions is required to observe a dynamically stable photon fluid. Such a nonlinearity ...
... medium arises from the third-order Kerr nonlinearity [15], i.e., the local change in refractive index proportional to the light intensity Δn ! n2 jEj2 : a defocusing nonlinearity with n2 < 0 giving repulsive interactions is required to observe a dynamically stable photon fluid. Such a nonlinearity ...
Optimization of quantum interferometric metrological sensors in the
... optimal quantum state becomes proportional to N−1/2 in this high-loss regime, i.e., its scaling with N in this regime is the same as for coherent light governed by the shot-noise limit. However, despite the same scaling with N, the phase sensitivity ␦ is still better with entangled quantum states t ...
... optimal quantum state becomes proportional to N−1/2 in this high-loss regime, i.e., its scaling with N in this regime is the same as for coherent light governed by the shot-noise limit. However, despite the same scaling with N, the phase sensitivity ␦ is still better with entangled quantum states t ...
philphys - General Guide To Personal and Societies Web Space
... system (or one isomorphic to it, like momentum space). A point in this space specifies the positions of all the particles comprising a system at each instant of time (respectively, their momenta). This function must be square-integrable, and is normalized so that its integral over configuration spac ...
... system (or one isomorphic to it, like momentum space). A point in this space specifies the positions of all the particles comprising a system at each instant of time (respectively, their momenta). This function must be square-integrable, and is normalized so that its integral over configuration spac ...
Chapter 40
... Multiple waves are superimposed so that one of its crests is at x = 0. The result is that all the waves add constructively at x = 0. There is destructive interference at every point except x = 0. The small region of constructive interference is called a wave packet. The wave packet can be identifi ...
... Multiple waves are superimposed so that one of its crests is at x = 0. The result is that all the waves add constructively at x = 0. There is destructive interference at every point except x = 0. The small region of constructive interference is called a wave packet. The wave packet can be identifi ...
Single-Photon Bus between Spin-Wave Quantum Memories.
... contrast; however, the reduction in our experiment falls within the statistical error. Owing to imperfect single-magnon generation and magnon loss, our state also contains the two-magnon component |1iA |1iB and the vacuum component |0iA |0iB , the combination of which may spoil the entanglement inhe ...
... contrast; however, the reduction in our experiment falls within the statistical error. Owing to imperfect single-magnon generation and magnon loss, our state also contains the two-magnon component |1iA |1iB and the vacuum component |0iA |0iB , the combination of which may spoil the entanglement inhe ...
Chapter 1
... Physical quantities: Observables and their operators In this lecture we study the relation between dynamical variables in classical and quantum mechanics and show that in the new quantum formalism these must be represented by operators acting on the wave function. We introduce the concept of commuta ...
... Physical quantities: Observables and their operators In this lecture we study the relation between dynamical variables in classical and quantum mechanics and show that in the new quantum formalism these must be represented by operators acting on the wave function. We introduce the concept of commuta ...
Project Summary - Department of Electrical Engineering
... photons in the regime, under which, on the average, only one photon passes through the slits. Students will be able to observe the process of building up the interference pattern. This experiment is analogous to Tonomura’s experiment shown in Fig. 3. The difference is instead of studying wave-partic ...
... photons in the regime, under which, on the average, only one photon passes through the slits. Students will be able to observe the process of building up the interference pattern. This experiment is analogous to Tonomura’s experiment shown in Fig. 3. The difference is instead of studying wave-partic ...