The Learnability of Quantum States
... Claim: For all awN, there’s a randomized protocol where Alice sends a+O(log N) bits and Merlin sends w bits Proof: Alice divides x into w-bit substrings. She then encodes each one with an error-correcting code, and sends Bob a random k along with the kth bit of each codeword. Merlin sends the subst ...
... Claim: For all awN, there’s a randomized protocol where Alice sends a+O(log N) bits and Merlin sends w bits Proof: Alice divides x into w-bit substrings. She then encodes each one with an error-correcting code, and sends Bob a random k along with the kth bit of each codeword. Merlin sends the subst ...
Experimental Demonstration of Tripartite Entanglement - ENS-phys
... [2,3]. The controlled dense coding (CDC) for discrete variables using a three-particle entangled state has been theoretically discussed [4]. Recently, under the motivation of the successful experiments on continuous-variable (CV) quantum teleportation [5] and quantum dense coding [6], the schemes de ...
... [2,3]. The controlled dense coding (CDC) for discrete variables using a three-particle entangled state has been theoretically discussed [4]. Recently, under the motivation of the successful experiments on continuous-variable (CV) quantum teleportation [5] and quantum dense coding [6], the schemes de ...
(4)
... eigenstate, or Ehrenfest mean field models where the classical evolution is governed by a mean force determined from the instantaneous value of the quantum wave function.13,14 These descriptions produce a definite classical evolution but do not always give physically correct results. If we relax the ...
... eigenstate, or Ehrenfest mean field models where the classical evolution is governed by a mean force determined from the instantaneous value of the quantum wave function.13,14 These descriptions produce a definite classical evolution but do not always give physically correct results. If we relax the ...
Quantum - National Physical Laboratory
... have a global impact and naturally our purpose is to make sure some of the benefit to the UK is sticky. Hence our enthusiasm to get up and running really quickly. If our international partners are a little shocked and awed by our determination to get on with this then great, let’s go for it!” Lesley ...
... have a global impact and naturally our purpose is to make sure some of the benefit to the UK is sticky. Hence our enthusiasm to get up and running really quickly. If our international partners are a little shocked and awed by our determination to get on with this then great, let’s go for it!” Lesley ...
Chapter 2: Interacting Rydberg atoms
... dynamics depends on the strength of the interaction compared to the Rabi frequency. In the weakly interacting regime given by |C6 |/R6 Ω, the system will undergo slightly perturbed Rabi oscillations with Rabi frequency Ω, but the qualitative picture is hardly modified compared to the single atom c ...
... dynamics depends on the strength of the interaction compared to the Rabi frequency. In the weakly interacting regime given by |C6 |/R6 Ω, the system will undergo slightly perturbed Rabi oscillations with Rabi frequency Ω, but the qualitative picture is hardly modified compared to the single atom c ...
Abstract: - QCCQI 2008
... a single quantum of motion can approach 100 kHz and exceed both the electronic spin coherence time ($T_2 \sim 1$ ms) and the intrinsic damping rate, $\kappa = \omega_r/Q$, of high$Q$ mechanical resonators. In this regime, the spin becomes strongly coupled to mechanical motion in direct analogy to st ...
... a single quantum of motion can approach 100 kHz and exceed both the electronic spin coherence time ($T_2 \sim 1$ ms) and the intrinsic damping rate, $\kappa = \omega_r/Q$, of high$Q$ mechanical resonators. In this regime, the spin becomes strongly coupled to mechanical motion in direct analogy to st ...
Slide 1
... 1) Find the equations of motion of the spin operators Sx (t), Sy (t), and Sz (t) in the presence of a Hamiltonian r r r given by H egS(t) B / 2 c. (B is magnetic field, e is electric charge, is particle mass, c is the speed of light, and g is a unitless constant.) Use the fact that Sx (t), ...
... 1) Find the equations of motion of the spin operators Sx (t), Sy (t), and Sz (t) in the presence of a Hamiltonian r r r given by H egS(t) B / 2 c. (B is magnetic field, e is electric charge, is particle mass, c is the speed of light, and g is a unitless constant.) Use the fact that Sx (t), ...
Ideal n-body correlations with massive particles
... foundational tests of quantum mechanics, such as violations of Bell’s inequalities [25-26] and demonstration of the Einstein-Podolsky-Rosen entanglement [27]. Our correlation measurements with ultracold 4He* atoms may pave the way for simular future quantum atom optics tests of the tenants of quantu ...
... foundational tests of quantum mechanics, such as violations of Bell’s inequalities [25-26] and demonstration of the Einstein-Podolsky-Rosen entanglement [27]. Our correlation measurements with ultracold 4He* atoms may pave the way for simular future quantum atom optics tests of the tenants of quantu ...
How to test the “quantumness” of a quantum computer? Miroslav Grajcar
... A recent analysis of the perspectives of superconducting circuits as a platform for universal quantum computation [30] stressed the very high price of implementing quantum error correction (necessary for the gate-based quantum computing) or “surface code” quantum computing [31], which runs to hundre ...
... A recent analysis of the perspectives of superconducting circuits as a platform for universal quantum computation [30] stressed the very high price of implementing quantum error correction (necessary for the gate-based quantum computing) or “surface code” quantum computing [31], which runs to hundre ...
Slides
... The operators U allow to define the “projectors” onto the physical space of states of the continuum theory by, ...
... The operators U allow to define the “projectors” onto the physical space of states of the continuum theory by, ...