Magnetic Field Induced Photocurrents in Semiconductor
... of the valence band (see Fig. 1). While the electron states in the Γ6c band have no orbital angular momentum l = 0 (s-like), the states in the valence band have l = 1 (p-like) and can therefore couple with the electron’s spin (s = 1/2) to the total angular momentum j = l + s. Therefore, the valence ...
... of the valence band (see Fig. 1). While the electron states in the Γ6c band have no orbital angular momentum l = 0 (s-like), the states in the valence band have l = 1 (p-like) and can therefore couple with the electron’s spin (s = 1/2) to the total angular momentum j = l + s. Therefore, the valence ...
Ramsey Interference in One-Dimensional Systems: The Full
... sensing [8]. In this paper, we theoretically analyze the decoherence dynamics of Ramsey interference fringes in one-dimensional quasicondensates. Such systems have been considered for possible applications in atomic clocks and quantum-enhanced metrology [9,10]. Here we show that a Ramsey interferome ...
... sensing [8]. In this paper, we theoretically analyze the decoherence dynamics of Ramsey interference fringes in one-dimensional quasicondensates. Such systems have been considered for possible applications in atomic clocks and quantum-enhanced metrology [9,10]. Here we show that a Ramsey interferome ...
Ten Years of Spin Hall Effect
... six orders of magnitude larger. It is quite shocking to realize that the coupling to the external field, while formally similar to the coupling in vacuum, is six orders of magnitude larger and has the opposite sign! Clearly a strong spin–orbit interaction with the nuclei of the periodically arranged ...
... six orders of magnitude larger. It is quite shocking to realize that the coupling to the external field, while formally similar to the coupling in vacuum, is six orders of magnitude larger and has the opposite sign! Clearly a strong spin–orbit interaction with the nuclei of the periodically arranged ...
Efficient positronium laser excitation for antihydrogen production in a
... ρ NP s Np̄ σ/A where ρ is the overlap factor between the trapped p̄ and the Ps cloud with transverse area A. Since the cross section σ depends on the fourth power of the principal quantum number n of the excited Ps [6] (σ ∝ n4 πa20 , where a0 is the Bohr radius), n can be chosen to be in the range f ...
... ρ NP s Np̄ σ/A where ρ is the overlap factor between the trapped p̄ and the Ps cloud with transverse area A. Since the cross section σ depends on the fourth power of the principal quantum number n of the excited Ps [6] (σ ∝ n4 πa20 , where a0 is the Bohr radius), n can be chosen to be in the range f ...
Nitrogen-vacancy center
The nitrogen-vacancy center (N-V center) is one of numerous point defects in diamond. Its most explored and useful property is photoluminescence, which can be easily detected from an individual N-V center, especially those in the negative charge state (N-V−). Electron spins at N-V centers, localized at atomic scales, can be manipulated at room temperature by applying a magnetic field, electric field, microwave radiation or light, or a combination, resulting in sharp resonances in the intensity and wavelength of the photoluminescence. These resonances can be explained in terms of electron spin related phenomena such as quantum entanglement, spin-orbit interaction and Rabi oscillations, and analysed using advanced quantum optics theory. An individual N-V center can be viewed as a basic unit of a quantum computer, and it has potential applications in novel, more efficient fields of electronics and computational science including quantum cryptography and spintronics.