91, 053630 (2015).
... spin polarization σz and OAM of the two spins (m↑ ,m↓ ): (i) A stripe phase with a density modulation in the angular direction that is the superposition of (−4,0) and (0,4) states; (ii) a spin-polarized phase, either (−4,0) or (0, +4); (iii) a spin-polarized phase, either (−3, +1) or (−1, +3); an ...
... spin polarization σz and OAM of the two spins (m↑ ,m↓ ): (i) A stripe phase with a density modulation in the angular direction that is the superposition of (−4,0) and (0,4) states; (ii) a spin-polarized phase, either (−4,0) or (0, +4); (iii) a spin-polarized phase, either (−3, +1) or (−1, +3); an ...
Theoretical Investigations Regarding Single Molecules
... which effectively behave like artificial atoms.2,38 While these artificial atoms could be used to construct artificial molecules, at the moment only double or triple quantum dots have been produced. Molecules on the other hand, are usually much larger. However, experimentally it has so far proved di ...
... which effectively behave like artificial atoms.2,38 While these artificial atoms could be used to construct artificial molecules, at the moment only double or triple quantum dots have been produced. Molecules on the other hand, are usually much larger. However, experimentally it has so far proved di ...
Squeezed light for advanced gravitational wave
... frequencies is critical for early detection of coalescing compact binaries [19]. ...
... frequencies is critical for early detection of coalescing compact binaries [19]. ...
New Class of Quantum Error-Correcting Codes for a Bosonic Mode
... different errors are distinguishable and correctable. We consider a damped harmonic oscillator suffering from photon losses. Our intention is to design logical code words which are embedded in the Hilbert space of the harmonic oscillator and protected up to L photon loss events occurring in the time ...
... different errors are distinguishable and correctable. We consider a damped harmonic oscillator suffering from photon losses. Our intention is to design logical code words which are embedded in the Hilbert space of the harmonic oscillator and protected up to L photon loss events occurring in the time ...
Quantum correlations and measurements
... of interferences occur which can originate from the classical and/or quantum description of the quantized electromagnetic field. Hence, the question about the quantum character of a given state of light is a cumbersome problem to be addressed. An introduction to the theory of quantum optics can be f ...
... of interferences occur which can originate from the classical and/or quantum description of the quantized electromagnetic field. Hence, the question about the quantum character of a given state of light is a cumbersome problem to be addressed. An introduction to the theory of quantum optics can be f ...
pdf file - Gandalf Lechner
... be in a standard representation, which allows the immediate application of the modular theory. For this reason there is often a special interest in states ω for which this is true, e.g. restrictions of states with the Reeh-Schlieder property [52, 54]. The constructions above, following [1], provide ...
... be in a standard representation, which allows the immediate application of the modular theory. For this reason there is often a special interest in states ω for which this is true, e.g. restrictions of states with the Reeh-Schlieder property [52, 54]. The constructions above, following [1], provide ...
Quantum dynamics in strong fluctuating fields - Physik Uni
... transfer processes. Here, a multi-state tunnelling problem naturally emerges with the tight-binding model serving as one of the simplest theoretical frameworks. The primary problem is to describe the influence of the environmental degrees of freedom on the quantum dynamics of interest. Many different ...
... transfer processes. Here, a multi-state tunnelling problem naturally emerges with the tight-binding model serving as one of the simplest theoretical frameworks. The primary problem is to describe the influence of the environmental degrees of freedom on the quantum dynamics of interest. Many different ...
Between classical and quantum
... The relationship between classical and quantum theory is of central importance to the philosophy of physics, and any interpretation of quantum mechanics has to clarify it. Our discussion of this relationship is partly historical and conceptual, but mostly technical and mathematically rigorous, inclu ...
... The relationship between classical and quantum theory is of central importance to the philosophy of physics, and any interpretation of quantum mechanics has to clarify it. Our discussion of this relationship is partly historical and conceptual, but mostly technical and mathematically rigorous, inclu ...
Three Puzzles about Bohr`s Correspondence Principle
... In Q.o.L [Bohr 1918] this designation has not yet been used, but the substance of the principle is referred to there as a formal analogy between the quantum theory and the classical theory. Such expressions might cause misunderstanding, since in fact—as we shall see later on—this Correspondence Prin ...
... In Q.o.L [Bohr 1918] this designation has not yet been used, but the substance of the principle is referred to there as a formal analogy between the quantum theory and the classical theory. Such expressions might cause misunderstanding, since in fact—as we shall see later on—this Correspondence Prin ...
Spin Squeezing, Entanglement and Quantum Metrology
... coherences (|ba| + |ab|)/2 and (|ba| − |ab|)/2i map to the Jˆx and Jˆy components respectively. Figure 2.1 shows the quantum state on the Bloch sphere with the definition of the longitudinal angle ϕ and the polar angle θ. The Hilbert space for a single spin 1/2 system is two dimensional, suc ...
... coherences (|ba| + |ab|)/2 and (|ba| − |ab|)/2i map to the Jˆx and Jˆy components respectively. Figure 2.1 shows the quantum state on the Bloch sphere with the definition of the longitudinal angle ϕ and the polar angle θ. The Hilbert space for a single spin 1/2 system is two dimensional, suc ...
Axiomatic and constructive quantum field theory Thesis for the
... relativity and quantum theory. The first section of this chapter, on special relativity, commences with the introduction of certain physical concepts such as inertial observers and the invariance of the speed of light. These physical concepts will then be used to motivate the structure of the mathem ...
... relativity and quantum theory. The first section of this chapter, on special relativity, commences with the introduction of certain physical concepts such as inertial observers and the invariance of the speed of light. These physical concepts will then be used to motivate the structure of the mathem ...
Physical Foundations of Quantum Electronics
... levels of presentation, from popular books [Klimontovich (1966); Zhabotinsky (1969); Piekara (1973)] to fundamental monographs [Fain (1972); Khanin (1975); Apanasevich (1977)], and in many cases the reader will be referred to them. For instance, the present book does not consider the design and para ...
... levels of presentation, from popular books [Klimontovich (1966); Zhabotinsky (1969); Piekara (1973)] to fundamental monographs [Fain (1972); Khanin (1975); Apanasevich (1977)], and in many cases the reader will be referred to them. For instance, the present book does not consider the design and para ...
A straightforward introduction to continuous quantum measurement
... proceeds (that is, in real time) to modify the system Hamiltonian so as to obtain some desired behaviour. Thus, continuous measurement theory is essential for describing feedback control. The increasing interest in continuous measurement is also due to its applications in metrology [12 – 16], quantu ...
... proceeds (that is, in real time) to modify the system Hamiltonian so as to obtain some desired behaviour. Thus, continuous measurement theory is essential for describing feedback control. The increasing interest in continuous measurement is also due to its applications in metrology [12 – 16], quantu ...
Single defect centres in diamond: A review
... among them should be controllable. At the same time, those systems which are discussed for data communication must be optically active which means, that they should show a high oscillator strength for an electric dipole transition between their ground and some optically excited state. Individual ion ...
... among them should be controllable. At the same time, those systems which are discussed for data communication must be optically active which means, that they should show a high oscillator strength for an electric dipole transition between their ground and some optically excited state. Individual ion ...
Universal formalism of Fano resonance
... In this paper, we derive the asymmetric Fano resonance profile using the Green’s function method to calculate the transmission, taking into account of all transmission channels, and address the question of whether the fundamental q parameter should be complex or real. To be concrete, we focus on low ...
... In this paper, we derive the asymmetric Fano resonance profile using the Green’s function method to calculate the transmission, taking into account of all transmission channels, and address the question of whether the fundamental q parameter should be complex or real. To be concrete, we focus on low ...
Correlaciones en Mecánica Cuántica
... is to develop different methods to quantify such correlations. Entanglement [1, 2] is perhaps the kind of quantum correlations more known and studied and since it was first described by Einstein, Podolsky and Rosen [3] has attracted the attention and interest of scientists being studied both theoreti ...
... is to develop different methods to quantify such correlations. Entanglement [1, 2] is perhaps the kind of quantum correlations more known and studied and since it was first described by Einstein, Podolsky and Rosen [3] has attracted the attention and interest of scientists being studied both theoreti ...
Applications of Functional Analysis in Quantum Scattering Theory
... From a theoretical point of view, the aim is to be able to calculate what these probabilities will be. The simple approach is to start with the incident wavefunction (we are implicitly working in Schrödinger’s representation), write down the Hamiltonian of the system H, substitute into the Schröding ...
... From a theoretical point of view, the aim is to be able to calculate what these probabilities will be. The simple approach is to start with the incident wavefunction (we are implicitly working in Schrödinger’s representation), write down the Hamiltonian of the system H, substitute into the Schröding ...
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... objects cannot share the same space at the same time and that one object cannot lie simultaneously in separate places. Within quantum physics, the confrontation between being and nonbeing (or 1 and 0) may be linked to the dislike of massive, polarized particles—for example, electrons—to share the sa ...
... objects cannot share the same space at the same time and that one object cannot lie simultaneously in separate places. Within quantum physics, the confrontation between being and nonbeing (or 1 and 0) may be linked to the dislike of massive, polarized particles—for example, electrons—to share the sa ...
