Quantum Memory in Atomic Ensembles - Oxford Physics
... Thanks to my Oxford massif, Andy Scott and Tom Rowlands-Rees, who know a good lunch when they see one. And in that vein, thanks to Matthijs Branderhorst, who along with Ben, introduced me to the burrito. There is a growing ultrafast diaspora — good people in far-off places — and of these I should li ...
... Thanks to my Oxford massif, Andy Scott and Tom Rowlands-Rees, who know a good lunch when they see one. And in that vein, thanks to Matthijs Branderhorst, who along with Ben, introduced me to the burrito. There is a growing ultrafast diaspora — good people in far-off places — and of these I should li ...
THE RENORMALIZATION GROUP AND CRITICAL PHENOMENA
... 3 4’ the distinction between water and steam disappears, and the whole boiling phenomenon vanishes. The principal distinction between water and steam is that they have different densities. As the pressure and temperature approach their critical values, the difference in density between water and ste ...
... 3 4’ the distinction between water and steam disappears, and the whole boiling phenomenon vanishes. The principal distinction between water and steam is that they have different densities. As the pressure and temperature approach their critical values, the difference in density between water and ste ...
Annals of Physics Classical impurities and boundary Majorana zero
... modes remain true zero modes, and their existence implies the two-fold degeneracy of the ground state in the ordered phase of the QIC. It is worth mentioning that the usefulness of the Majorana fermions in the QIC hinges on the exact Z2 symmetry of the spin model (2). Local terms (in the x or y ) wh ...
... modes remain true zero modes, and their existence implies the two-fold degeneracy of the ground state in the ordered phase of the QIC. It is worth mentioning that the usefulness of the Majorana fermions in the QIC hinges on the exact Z2 symmetry of the spin model (2). Local terms (in the x or y ) wh ...
Through scattering theory with gun and camera: Coping with conventions
... of undergraduate and introductory graduate quantum courses. It is necessary to choose a zero of energy, and it is possible to multiply the wave function by an overall global phase factor, and that’s about it. Continuum-state quantum mechanics, by contrast, presents four options—all of which, as we s ...
... of undergraduate and introductory graduate quantum courses. It is necessary to choose a zero of energy, and it is possible to multiply the wave function by an overall global phase factor, and that’s about it. Continuum-state quantum mechanics, by contrast, presents four options—all of which, as we s ...
Stimulated emission from single quantum dipoles
... where d , , is the dipole matrix element. In deriving this result, the two-level system is assumed to have a spatial extent small in comparison to the optical wavelength so that the dipole approximation is applicable. In particular, the spatial variation of the optical wave is rcmoved from the inter ...
... where d , , is the dipole matrix element. In deriving this result, the two-level system is assumed to have a spatial extent small in comparison to the optical wavelength so that the dipole approximation is applicable. In particular, the spatial variation of the optical wave is rcmoved from the inter ...
Transport study on two-dimensional electrons with controlled short-range alloy disorder
... field lab (NHMFL) at Tallahassee, FL. I here thank the NHMFL staff Bruce Brandt, Eric Palm, Tim Murphy and Glover Jones for their assistance in my experiments. I also thank Dr. Lloyd Engel, Dr. Zhigang Jiang and Dr. Murthy Ganapathy for the great conversations and suggestions in my every trip to NHM ...
... field lab (NHMFL) at Tallahassee, FL. I here thank the NHMFL staff Bruce Brandt, Eric Palm, Tim Murphy and Glover Jones for their assistance in my experiments. I also thank Dr. Lloyd Engel, Dr. Zhigang Jiang and Dr. Murthy Ganapathy for the great conversations and suggestions in my every trip to NHM ...
Effect of high-n and continuum eigenstates on the - Plasma-Gate
... our results to calculations for high fields. In this respect, the only study known to us is that given in Ref. @15#. For an electric field of 10 MV/cm the differences are .25% and 15% for the 2s0-2 p0 and 2s0-2p61 components of the line. For an electric field of 15 MV/cm the differences are .35% and ...
... our results to calculations for high fields. In this respect, the only study known to us is that given in Ref. @15#. For an electric field of 10 MV/cm the differences are .25% and 15% for the 2s0-2 p0 and 2s0-2p61 components of the line. For an electric field of 15 MV/cm the differences are .35% and ...
Anti Heisenberg. The end of Heisenberg`s uncertainty principle.
... ‘When the position is determined .. the electron undergoes a discontinuous change in momentum. This change is the greater the smaller the wavelength of the light employed, i.e., the more exact the determination of the position ... thus, the more precisely the position is determined, the less precise ...
... ‘When the position is determined .. the electron undergoes a discontinuous change in momentum. This change is the greater the smaller the wavelength of the light employed, i.e., the more exact the determination of the position ... thus, the more precisely the position is determined, the less precise ...
HCSS-June09-partA - Indico
... The envelope of the size beam is given by the so-called ‘b’-function ( optics): • In the arcs the optics follows a regular pattern. • In the long straight sections, the optics is matched to the ‘telescope’ that provides very strong focusing at the collision point. Collision point size (rms, def ...
... The envelope of the size beam is given by the so-called ‘b’-function ( optics): • In the arcs the optics follows a regular pattern. • In the long straight sections, the optics is matched to the ‘telescope’ that provides very strong focusing at the collision point. Collision point size (rms, def ...
Status Report 2011
... cooperations have noticeably increased. As this Report demonstrates, the scientific output has also grown. The idea behind the Junior Research Groups program is beginning to work. It is this kind of academic environment we are having, which is a prerequisite for fruitful scientific work. Most recent ...
... cooperations have noticeably increased. As this Report demonstrates, the scientific output has also grown. The idea behind the Junior Research Groups program is beginning to work. It is this kind of academic environment we are having, which is a prerequisite for fruitful scientific work. Most recent ...
Fast Converging Path Integrals for Time
... as well as for the numerical calculation of path integrals. The described discretization procedure is most straightforwardly numerically implemented by the Path-Integral Monte-Carlo approach [55]. Note that the O(1/N ) convergence can be also achieved with other choices of space-time points at which ...
... as well as for the numerical calculation of path integrals. The described discretization procedure is most straightforwardly numerically implemented by the Path-Integral Monte-Carlo approach [55]. Note that the O(1/N ) convergence can be also achieved with other choices of space-time points at which ...
Confusions about fuzzballs and the information paradox
... hole geometry. You have said that this is a place that looks to leading order as if it was a region of gently curved spacetime. To make this rigorous, let ψi be states of low energy quanta; i.e. quanta with wavelength lp λ . 2M . Let the evolution of these quanta over time intervals of order . 2M ...
... hole geometry. You have said that this is a place that looks to leading order as if it was a region of gently curved spacetime. To make this rigorous, let ψi be states of low energy quanta; i.e. quanta with wavelength lp λ . 2M . Let the evolution of these quanta over time intervals of order . 2M ...
Manifestations of phase-coherent transport in
... Ic ranged from a few tens of nanoamperes to almost 1 microampere, depending on the gate voltage and on the geometrical dimensions of the junctions. The typical device width was 1 µm and contact separations between 200 and 500 nm were studied. Note, in passing, that what we actually measure is the ...
... Ic ranged from a few tens of nanoamperes to almost 1 microampere, depending on the gate voltage and on the geometrical dimensions of the junctions. The typical device width was 1 µm and contact separations between 200 and 500 nm were studied. Note, in passing, that what we actually measure is the ...
Unusual ordered phases of highly frustrated magnets: a review
... with spin S = 1/2: Cs2 CuCl4 (shows extended spinon continuum, J 0 /J = 0.34 is obtained from neutron scattering experiments in fully polarized state20 ), Cs2 CuBr4 (shows magnetization plateau, J 0 /J ≈ 0.5 based on considerations summarized in Section V A) and Ba3 CoSb2 O9 (shows magnetization pla ...
... with spin S = 1/2: Cs2 CuCl4 (shows extended spinon continuum, J 0 /J = 0.34 is obtained from neutron scattering experiments in fully polarized state20 ), Cs2 CuBr4 (shows magnetization plateau, J 0 /J ≈ 0.5 based on considerations summarized in Section V A) and Ba3 CoSb2 O9 (shows magnetization pla ...
- Quantum Optics and Spectroscopy
... transistors replaced the vacuum tubes in the available computing machines. Of course, a transistor could not be built without a predictive theory of the physics in semiconductor devices. This theory is based upon one of the greatest advances of physics in recent history: quantum physics. Although qu ...
... transistors replaced the vacuum tubes in the available computing machines. Of course, a transistor could not be built without a predictive theory of the physics in semiconductor devices. This theory is based upon one of the greatest advances of physics in recent history: quantum physics. Although qu ...
Spins in quantum dots: Hyperfine interaction, transport, and
... the time scale τs , which gives the time to perform a two-qubit operation, there is a time scale associated with the rise/fall-time of the exchange J(t). This is the switching time τsw . When the relevant two-spin Hamiltonian takes the form of an ideal (isotropic) exchange, as given in (1.1), the to ...
... the time scale τs , which gives the time to perform a two-qubit operation, there is a time scale associated with the rise/fall-time of the exchange J(t). This is the switching time τsw . When the relevant two-spin Hamiltonian takes the form of an ideal (isotropic) exchange, as given in (1.1), the to ...
