Exact solution of the Zeeman effect in single
... known that electromagnetic radiation is produced by oscillating electric charges. The charges that produce light were however still a mystery. At the same time, it was generally believed that an electric current was made up of charged particles. Lorentz suggested that atoms might also consist of cha ...
... known that electromagnetic radiation is produced by oscillating electric charges. The charges that produce light were however still a mystery. At the same time, it was generally believed that an electric current was made up of charged particles. Lorentz suggested that atoms might also consist of cha ...
Electric field trapping of a magnetic domain wall
... magnetization and another with “down” magnetization. The frontier between those two regions is called a magnetic domain wall and within the wall the magnetisation rotates progressively to minimize the energy Fig. (1a). We have demonstrated that when the electric field is switched on, the domain wall ...
... magnetization and another with “down” magnetization. The frontier between those two regions is called a magnetic domain wall and within the wall the magnetisation rotates progressively to minimize the energy Fig. (1a). We have demonstrated that when the electric field is switched on, the domain wall ...
A new Bloch period for interacting cold atoms in 1D optical lattices
... [20] A SF-MI transition Pcan also be tracked by calculating the entropy S = − n |cn |2 log |cn |2 , which changes from S ∼ log N (N is the dimension of the Hilbert space) in the SF-phase, to S ≈ 0 in the MI-phase. [21] In all numerical simulations periodic boundary conditions were used, i.e., the si ...
... [20] A SF-MI transition Pcan also be tracked by calculating the entropy S = − n |cn |2 log |cn |2 , which changes from S ∼ log N (N is the dimension of the Hilbert space) in the SF-phase, to S ≈ 0 in the MI-phase. [21] In all numerical simulations periodic boundary conditions were used, i.e., the si ...
Lecture notes in Solid State 3 Eytan Grosfeld Introduction to Localization
... We assume that β(g) displays a monotonic behavior between these two limits. Hence when β(g) > 0 the conductance increases with the size of the sample, while when β(g) < 0 the conductance decreases with the size of the sample. Glancing at Fig. 6.3, we arrive at the conclusion that all the states are ...
... We assume that β(g) displays a monotonic behavior between these two limits. Hence when β(g) > 0 the conductance increases with the size of the sample, while when β(g) < 0 the conductance decreases with the size of the sample. Glancing at Fig. 6.3, we arrive at the conclusion that all the states are ...
Phonon-like excitations in the two-state Bose
... spin-1 bosons where the multiplets of local states form the closely-spaced excited levels. It was shown in [21, 22] that MI-SF transition can be of the first order when a single-site spin interaction is of the antiferromagnetic type. A similar effect also takes place for multicomponent Bose system in ...
... spin-1 bosons where the multiplets of local states form the closely-spaced excited levels. It was shown in [21, 22] that MI-SF transition can be of the first order when a single-site spin interaction is of the antiferromagnetic type. A similar effect also takes place for multicomponent Bose system in ...
Bose-Einstein Condensation - Department of Physics, Panjab
... Efimov’s prediction that the binding of few particles is universal has also been confirmed experimentally (Berninger et al, Phys. Rev. Lett 107, 120401 (2011)). It is this concept of universality which makes Efimov physics possible in various physical systems, such as, atomic physics, nuclear physi ...
... Efimov’s prediction that the binding of few particles is universal has also been confirmed experimentally (Berninger et al, Phys. Rev. Lett 107, 120401 (2011)). It is this concept of universality which makes Efimov physics possible in various physical systems, such as, atomic physics, nuclear physi ...
Polymers on disordered trees, spin glasses, and traveling waves
... In view of the poorly understood energy-dominated regime, it is of interest to study the directed polymer on a Cayley tree, which in some sense corresponds to a mean field limit d--, oe. On the Cayley tree we lose all spatial structure. Therefore (1.5) has to be replaced by energy fluctuations, whic ...
... In view of the poorly understood energy-dominated regime, it is of interest to study the directed polymer on a Cayley tree, which in some sense corresponds to a mean field limit d--, oe. On the Cayley tree we lose all spatial structure. Therefore (1.5) has to be replaced by energy fluctuations, whic ...
Theory of Pressure Effects and Possible Zero
... unique h-T phase diagram. In the past few years, we have developed a theory of the eldinduced order in this material, and have clari ed that the e ect of predominant AFQ interaction should appear in the following three aspects in the experimental observations: (1) anisotropy of the phase diagram, ( ...
... unique h-T phase diagram. In the past few years, we have developed a theory of the eldinduced order in this material, and have clari ed that the e ect of predominant AFQ interaction should appear in the following three aspects in the experimental observations: (1) anisotropy of the phase diagram, ( ...
Atoms in a magnetic field - University of St Andrews
... We expect no preferred direction for the magnetic moment, i.e. different atoms have different values of α. (This is often referred to as unpolarised atomic beam.) Hence different atoms will experience a different force. Classically, any orientation α is permitted. Atoms with magnetic moments perpen ...
... We expect no preferred direction for the magnetic moment, i.e. different atoms have different values of α. (This is often referred to as unpolarised atomic beam.) Hence different atoms will experience a different force. Classically, any orientation α is permitted. Atoms with magnetic moments perpen ...
1 Dimensional Imaging
... toward equilibrium through nuclear spin relaxation and the rate at which this occurs. • Equilibrium is when the RF field is off. • So, when the external B-field is turned ON there is a time, T1, that characterizes how long it takes for the net magnetization to grow from zero to its equilibrium value ...
... toward equilibrium through nuclear spin relaxation and the rate at which this occurs. • Equilibrium is when the RF field is off. • So, when the external B-field is turned ON there is a time, T1, that characterizes how long it takes for the net magnetization to grow from zero to its equilibrium value ...
BASIC CONCEPT OF SUPERCONDUCTIVITY: A PATH FOR HIGH
... involved are electromagnetic energy, thermodynamic reversibility and irreversibility, LenzFaraday’s law of induction, and the use of variational principles”. These theoretical results ensure that the phenomenology of superconductive state, almost for what concern the Meissner effect, can be describe ...
... involved are electromagnetic energy, thermodynamic reversibility and irreversibility, LenzFaraday’s law of induction, and the use of variational principles”. These theoretical results ensure that the phenomenology of superconductive state, almost for what concern the Meissner effect, can be describe ...
Probing Quantum Frustrated Systems via Factorization of the
... models characterized by a rapidly decaying fr , and hence by low frustration, allow for GS factorization and the associated SA or DA orders. Vice versa, models with slowly decaying fr , corresponding to strong frustration, do not admit factorized GS and simple mean-field and classical-like descripti ...
... models characterized by a rapidly decaying fr , and hence by low frustration, allow for GS factorization and the associated SA or DA orders. Vice versa, models with slowly decaying fr , corresponding to strong frustration, do not admit factorized GS and simple mean-field and classical-like descripti ...
Quantum Time Crystals - DSpace@MIT
... Symmetry and its spontaneous breaking is a central theme in modern physics. Perhaps no symmetry is more fundamental than time-translation symmetry, since timetranslation symmetry underlies both the reproducibility of experience and, within the standard dynamical frameworks, the conservation of energ ...
... Symmetry and its spontaneous breaking is a central theme in modern physics. Perhaps no symmetry is more fundamental than time-translation symmetry, since timetranslation symmetry underlies both the reproducibility of experience and, within the standard dynamical frameworks, the conservation of energ ...
Optical control of the spin state of two Mn atoms... L. Besombes, C. L. Cao, S. Jamet,
... 560 μeV above the low-energy states corresponds to Mz = ±3 where S1 has flip by two units. It is very close in energy to the states Mz = ±4, corresponding to a spin flip by one unit of the Mn spin, which is the most coupled to the exciton (S2 ), 500 μeV above the low energy state. From this analysis o ...
... 560 μeV above the low-energy states corresponds to Mz = ±3 where S1 has flip by two units. It is very close in energy to the states Mz = ±4, corresponding to a spin flip by one unit of the Mn spin, which is the most coupled to the exciton (S2 ), 500 μeV above the low energy state. From this analysis o ...
Witten
... kinks and an odd P isospinor of fermion kinks. For even N, there is a single isospinor of kink states. Of these, the left-handed and right-handed spinors have opposite behavior under P and therefore have opposite statistics. We have not determined whether the right-handed spinors are bosons and the ...
... kinks and an odd P isospinor of fermion kinks. For even N, there is a single isospinor of kink states. Of these, the left-handed and right-handed spinors have opposite behavior under P and therefore have opposite statistics. We have not determined whether the right-handed spinors are bosons and the ...
Lecture 2 - Harvard Condensed Matter Theory group
... as Pauli principle. A single particle state with quasimomentum q is a supersposition of states with physical momentum q+nG. When we detect a fermion at momentum q we decrease the probability to find another fermion at momentum q+nG. ...
... as Pauli principle. A single particle state with quasimomentum q is a supersposition of states with physical momentum q+nG. When we detect a fermion at momentum q we decrease the probability to find another fermion at momentum q+nG. ...