Bose-Einstein condensation in dilute atomic gases
... particular three-body recombination. The system develops many-body correlations at such low density because the thermal de Broglie wavelength at nanokelvin temperatures exceeds 1 µm, more than the average distance between atoms. Research on gaseous BEC can be divided into two areas: In the first (whi ...
... particular three-body recombination. The system develops many-body correlations at such low density because the thermal de Broglie wavelength at nanokelvin temperatures exceeds 1 µm, more than the average distance between atoms. Research on gaseous BEC can be divided into two areas: In the first (whi ...
Bose-Glass Phases of Ultracold Atoms due to Cavity Backaction Hessam Habibian,
... density distribution shows a peculiar behavior. Figure 3(b) displays the local density for c ¼ 5 for the parameters indicated by the point in (a): The coupling with the resonator induces the formation of clusters with checkerboard density distribution, where the atoms scatter in phase into the ca ...
... density distribution shows a peculiar behavior. Figure 3(b) displays the local density for c ¼ 5 for the parameters indicated by the point in (a): The coupling with the resonator induces the formation of clusters with checkerboard density distribution, where the atoms scatter in phase into the ca ...
Quantum analogue computing
... multiple quantum trajectories looks like a classical parallel computer, which calculates the result of many different input values in the time it takes for one processor to do one input value. Except that the quantum system does not need a stack of CPUs, the parallel processing comes ‘for free’ with ...
... multiple quantum trajectories looks like a classical parallel computer, which calculates the result of many different input values in the time it takes for one processor to do one input value. Except that the quantum system does not need a stack of CPUs, the parallel processing comes ‘for free’ with ...
Fault-Tolerant Quantum Computation and the Threshold Theorem
... realistic this model of noise is. However, in its defense, the independent error model corresponds to a physical model of decoherence which seems rather reasonable for many implementations of quantum computers. That being said, even the first threshold theorems for quantum computing also allowed for ...
... realistic this model of noise is. However, in its defense, the independent error model corresponds to a physical model of decoherence which seems rather reasonable for many implementations of quantum computers. That being said, even the first threshold theorems for quantum computing also allowed for ...
Lecture 18 — October 26, 2015 1 Overview 2 Quantum Entropy
... “When two systems, of which we know the states by their respective representatives, enter into temporary physical interaction due to known forces between them, and when after a time of mutual influence the systems separate again, then they can no longer be described in the same way as before, viz. b ...
... “When two systems, of which we know the states by their respective representatives, enter into temporary physical interaction due to known forces between them, and when after a time of mutual influence the systems separate again, then they can no longer be described in the same way as before, viz. b ...
Third-order optical response of intermediate
... The nonlinear optical response of confined excitons poses some important fundamental as well as practical problems connected with the synthesis of new materials with large susceptibilities. Excitons of different types have been studied, e.g., Wannier excitons in semiconductors,1 confined Wannier-typ ...
... The nonlinear optical response of confined excitons poses some important fundamental as well as practical problems connected with the synthesis of new materials with large susceptibilities. Excitons of different types have been studied, e.g., Wannier excitons in semiconductors,1 confined Wannier-typ ...
Synthesising arbitrary quantum states in a
... indicating that the superposed states are created and measured accurately. The density matrices for each state are also calculated (see Supplementary Information) and are as expected. The Wigner function of non-classical states has been measured previously, either calculated via an inverse Radon tra ...
... indicating that the superposed states are created and measured accurately. The density matrices for each state are also calculated (see Supplementary Information) and are as expected. The Wigner function of non-classical states has been measured previously, either calculated via an inverse Radon tra ...
On Participatory Realism
... acts of observer-participancy which individually defy all law? . . . [Might] the entirety of existence, rather than [be] built on particles or fields or multidimensional geometry, [be] built on billions upon billions of elementary quantum phenomena, those elementary acts of observer-participancy? Ro ...
... acts of observer-participancy which individually defy all law? . . . [Might] the entirety of existence, rather than [be] built on particles or fields or multidimensional geometry, [be] built on billions upon billions of elementary quantum phenomena, those elementary acts of observer-participancy? Ro ...
Nonclassical states of light propagating in Kerr media
... which is probably the simplest problem to tackle when dealing with nonlinear systems. Quantum description of the field propagating in a Kerr medium, which will be the subject of our concern in this chapter, reveals a number of interesting features that we are going to address here. Nonclassical effe ...
... which is probably the simplest problem to tackle when dealing with nonlinear systems. Quantum description of the field propagating in a Kerr medium, which will be the subject of our concern in this chapter, reveals a number of interesting features that we are going to address here. Nonclassical effe ...
Light, Matter, and Geometry: The Cornerstones of
... This thesis is about physically-based modelling of the appearance of materials. When a material is graphically rendered, its appearance is computed by considering the interaction of light and matter at a macroscopic level. In particular, the shape and the macroscopic optical properties of the materi ...
... This thesis is about physically-based modelling of the appearance of materials. When a material is graphically rendered, its appearance is computed by considering the interaction of light and matter at a macroscopic level. In particular, the shape and the macroscopic optical properties of the materi ...
Detected-jump-error-correcting quantum codes - IAP TU
... for all possible values of i, j and ␣ ,  . Equation 共9兲 states the necessary and sufficient conditions for the existence of unitary recovery operations that fulfill Eq. 共8兲 for the error operators 兵 L ␣ : ␣ ⫽1, . . . ,N 其 . In the physical setting this criterion states that 共i兲 different orthogonal ...
... for all possible values of i, j and ␣ ,  . Equation 共9兲 states the necessary and sufficient conditions for the existence of unitary recovery operations that fulfill Eq. 共8兲 for the error operators 兵 L ␣ : ␣ ⫽1, . . . ,N 其 . In the physical setting this criterion states that 共i兲 different orthogonal ...
Quantum control of a model qubit based on a multi - FaMAF
... orbital angular momentum quantum number. On the other hand, note that since the exact solution of the eigenvalue problem involves the roots of transcendental equations, it can be difficult to figure out how many quasi-degenerate eigenvalues has the problem. This difficulty is particularly cumbersome ...
... orbital angular momentum quantum number. On the other hand, note that since the exact solution of the eigenvalue problem involves the roots of transcendental equations, it can be difficult to figure out how many quasi-degenerate eigenvalues has the problem. This difficulty is particularly cumbersome ...
Controlling the speed of light pulses
... and therefore we cannot amplify an arbitrary polarization [5]. Much more generally, quantum theory does not permit the cloning of a single quantum [6, 7]. It is worth noting that this conclusion does not require that an optical amplifier be polarization dependent. It is possible for an amplifier to ...
... and therefore we cannot amplify an arbitrary polarization [5]. Much more generally, quantum theory does not permit the cloning of a single quantum [6, 7]. It is worth noting that this conclusion does not require that an optical amplifier be polarization dependent. It is possible for an amplifier to ...
Fundamental aspects of quantum Brownian motion
... results of Nyquist and Johnson, i.e. SII共兲 → 2kBT Re Y共兲. For the Markovian limit of an Ohmic resistor, where Y共兲 = 1 / R, this result simplifies to read SII共兲 = 2kBT / R. The quantum version was already anticipated by Nyquist in the last paragraph of his 1928 paper.2 However, he made use of the ...
... results of Nyquist and Johnson, i.e. SII共兲 → 2kBT Re Y共兲. For the Markovian limit of an Ohmic resistor, where Y共兲 = 1 / R, this result simplifies to read SII共兲 = 2kBT / R. The quantum version was already anticipated by Nyquist in the last paragraph of his 1928 paper.2 However, he made use of the ...
New constructions for Quantum Money
... However, a clear drawback in contrast to Wiesner’s scheme was that the verification of a coin consists of multiple rounds between the user and the bank, thus forcing the bank to maintain a temporary memory for each verification session. In 2012, Aaronson [1] proposed the idea of public-key quantum m ...
... However, a clear drawback in contrast to Wiesner’s scheme was that the verification of a coin consists of multiple rounds between the user and the bank, thus forcing the bank to maintain a temporary memory for each verification session. In 2012, Aaronson [1] proposed the idea of public-key quantum m ...
- Philsci
... to be carried out by means of an external device other than the position of the particles; see below) At stages 3 and 4 the particles are separated (reversibly) by a semipermeable partition according to the measurements’ outcomes, in such a way that by the end of stage 4 their spins get correlated t ...
... to be carried out by means of an external device other than the position of the particles; see below) At stages 3 and 4 the particles are separated (reversibly) by a semipermeable partition according to the measurements’ outcomes, in such a way that by the end of stage 4 their spins get correlated t ...