Emergence of a classical world from within quantum theory
... The starting point of this dissertation is that a quantum state represents the observer’s knowledge about the system of interest. As it has been pointed out several times by the opponents of this epistemic interpretation, it is difficult to reconcile this point of view with our common notion of “phy ...
... The starting point of this dissertation is that a quantum state represents the observer’s knowledge about the system of interest. As it has been pointed out several times by the opponents of this epistemic interpretation, it is difficult to reconcile this point of view with our common notion of “phy ...
Sharp Tunneling Peaks in a Parametric Oscillator: Quantum Resonances Missing
... It is not a sum of the kinetic and potential energy. For jj < 1, gðQ; PÞ has two symmetrically located minima, gmin ¼ ð1 þ Þ2 =4, and a saddle point, gS ¼ 0. In the presence of weak dissipation, the minima correspond to the period-2 vibrational states in the laboratory frame, which have equal amp ...
... It is not a sum of the kinetic and potential energy. For jj < 1, gðQ; PÞ has two symmetrically located minima, gmin ¼ ð1 þ Þ2 =4, and a saddle point, gS ¼ 0. In the presence of weak dissipation, the minima correspond to the period-2 vibrational states in the laboratory frame, which have equal amp ...
Spin-current and other unusual phases in magnetized triangular lattice antiferromagnets
... consequence, the triplet band is very flat, a striking fact observed by neutron scattering experiments [13]. Since the triplets are very massive particles, it is natural to expect that they can crystallize at finite density, and it has been proposed that the plateaus are Wigner crystals of triplets ...
... consequence, the triplet band is very flat, a striking fact observed by neutron scattering experiments [13]. Since the triplets are very massive particles, it is natural to expect that they can crystallize at finite density, and it has been proposed that the plateaus are Wigner crystals of triplets ...
at the STI Experts Meeting - The Information Philosopher
... Al Mele argued for a "modest libertarianism" that is essentially the Dennett decision-making model. But he remains agnostic on the role of quantum mechanics – for him determinism might still be true. He says, "It might be worth exploring the possibility of combining a compatibilist conception of the ...
... Al Mele argued for a "modest libertarianism" that is essentially the Dennett decision-making model. But he remains agnostic on the role of quantum mechanics – for him determinism might still be true. He says, "It might be worth exploring the possibility of combining a compatibilist conception of the ...
Quantum Computation, Quantum Theory and AI
... theory married with computer science, another great intellectual triumph of the 20th century and the new subject of quantum computation was born. Quantum computers were first envisaged by Nobel Laureate physicist Feynman [47] in 1982. He conceived that no classical computer could simulate certain q ...
... theory married with computer science, another great intellectual triumph of the 20th century and the new subject of quantum computation was born. Quantum computers were first envisaged by Nobel Laureate physicist Feynman [47] in 1982. He conceived that no classical computer could simulate certain q ...
Quantization as a Kan extension
... being Kan extension), at least in a suitably discretized setup. Or rather, we prove a very general mathematical theorem (‘Theorem 1’) about Kan extension of a Vect-valued functor defined on a groupoid. Inserting suitable functors and categories into this theorem, we get formulas that suggest we are ...
... being Kan extension), at least in a suitably discretized setup. Or rather, we prove a very general mathematical theorem (‘Theorem 1’) about Kan extension of a Vect-valued functor defined on a groupoid. Inserting suitable functors and categories into this theorem, we get formulas that suggest we are ...
Emergence in Holographic Scenarios for Gravity - Philsci
... What does ’t Hooft’s account imply for the relation between the three-dimensional description and the surface description? The original 1993 text already suggests some possible answers. ’t Hooft’s 1993 abstract states, interestingly, that at the Planck scale “our world is not 3+1 dimensional.” This ...
... What does ’t Hooft’s account imply for the relation between the three-dimensional description and the surface description? The original 1993 text already suggests some possible answers. ’t Hooft’s 1993 abstract states, interestingly, that at the Planck scale “our world is not 3+1 dimensional.” This ...
Full-Text PDF
... establish consistency between quantum mechanics and the laws of thermodynamics [25]. These links allow work and heat to be defined in the quantum regime [27]. This framework is sufficient for the present analysis. In the strong coupling regime where the partition between system and bath is not clear ...
... establish consistency between quantum mechanics and the laws of thermodynamics [25]. These links allow work and heat to be defined in the quantum regime [27]. This framework is sufficient for the present analysis. In the strong coupling regime where the partition between system and bath is not clear ...
Algebraic Quantum Field Theory on Curved Spacetimes
... a few additional standard notions related to Lorentzian spacetimes. To wit, following our sign convention, we call a vector vx ∈ Tx M timelike if g(vx , vx ) < 0, spacelike if g(vx , vx ) > 0, lightlike or null if g(vx , vx ) = 0, and causal if it is either timelike or null. Extending this, we call ...
... a few additional standard notions related to Lorentzian spacetimes. To wit, following our sign convention, we call a vector vx ∈ Tx M timelike if g(vx , vx ) < 0, spacelike if g(vx , vx ) > 0, lightlike or null if g(vx , vx ) = 0, and causal if it is either timelike or null. Extending this, we call ...
Document
... space functions show a “force” arising from shared quantum information, a “quantum memory force” (QMF). The first four bound states are shown for Schmidt number K = 3.5, which is slightly “beyond-Bell.,” i.e., ...
... space functions show a “force” arising from shared quantum information, a “quantum memory force” (QMF). The first four bound states are shown for Schmidt number K = 3.5, which is slightly “beyond-Bell.,” i.e., ...
Anvil or Onion? Determinism as a Layered Concept Robert C
... Theoretical models in physics include equations of motion (often referred to as dynamical or evolution equations) describing the change in time of the relevant variables characterizing the system in question, a complete specification of the initial state referred to as the initial conditions (ICs) f ...
... Theoretical models in physics include equations of motion (often referred to as dynamical or evolution equations) describing the change in time of the relevant variables characterizing the system in question, a complete specification of the initial state referred to as the initial conditions (ICs) f ...
Prime Factorization by Quantum Adiabatic Computation
... and is not very transparent. Therefore the proof presented here follows a different approach based on contour integration given by C. Wittig in 2005 [41]. There is also a very short proof by A. C. Vutha from 2010 [40], which will not be covered here. To derive the conditions for adiabatic and non-ad ...
... and is not very transparent. Therefore the proof presented here follows a different approach based on contour integration given by C. Wittig in 2005 [41]. There is also a very short proof by A. C. Vutha from 2010 [40], which will not be covered here. To derive the conditions for adiabatic and non-ad ...
A generalized entropy measuring quantum localization
... (ii) Barrier action of tori and cantori: Localization on quantized invariant tori is well described within the semiclassical ebktheory. This theory, originally developed for integrable systems, proved to be also applicable to kam-tori in systems with mixed phase-space if the corresponding stability ...
... (ii) Barrier action of tori and cantori: Localization on quantized invariant tori is well described within the semiclassical ebktheory. This theory, originally developed for integrable systems, proved to be also applicable to kam-tori in systems with mixed phase-space if the corresponding stability ...
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... The above data show that we have succeeded with the conditional gate operation. However, to understand our results more quantitatively, we compare the data with simulation data obtained by numerically calculating the time evolution of the density matrix. The results of the simulation are shown as bl ...
... The above data show that we have succeeded with the conditional gate operation. However, to understand our results more quantitatively, we compare the data with simulation data obtained by numerically calculating the time evolution of the density matrix. The results of the simulation are shown as bl ...
104,18415 (2007)
... Hubbard model (19) is one example. We note that a proposal (20) for observing the Abelian anyonic phase in a rotating Bose–Einstein condensate (BEC) consisting of a small number of atoms has recently been made in the literature. The proposed system is essentially a small continuous quantum Hall liqu ...
... Hubbard model (19) is one example. We note that a proposal (20) for observing the Abelian anyonic phase in a rotating Bose–Einstein condensate (BEC) consisting of a small number of atoms has recently been made in the literature. The proposed system is essentially a small continuous quantum Hall liqu ...
A categorification of a quantum Frobenius map
... simplified relation-checking criterion of Brundan [Bru16] for Khovanov-Lauda-Rouquier’s 2-KacMoody categorification theorem. In the course of the proof, we also obtain a reduction result (Theorem 4.12) which shows that D(U̇ ) can be generated by 1-morphisms of the form E 1n , E (p) 1n , F 1n , F (p) ...
... simplified relation-checking criterion of Brundan [Bru16] for Khovanov-Lauda-Rouquier’s 2-KacMoody categorification theorem. In the course of the proof, we also obtain a reduction result (Theorem 4.12) which shows that D(U̇ ) can be generated by 1-morphisms of the form E 1n , E (p) 1n , F 1n , F (p) ...
Deterministic secure direct communication using GHZ states and
... a shared secret key to encrypt them and the message is deterministically sent through the quantum channel, but can be read only after a transmission of an additional classical information for each qubit. Boström and Felbinger [26] put forward a communication scheme, the ”ping-pong protocol”, which ...
... a shared secret key to encrypt them and the message is deterministically sent through the quantum channel, but can be read only after a transmission of an additional classical information for each qubit. Boström and Felbinger [26] put forward a communication scheme, the ”ping-pong protocol”, which ...