28 Quantum Physics
... • The more precise a measurement of posiGon è the more uncertain the measurement of momentum will be. • The more precise a measurement of momentum è the more uncertain the measurement of the po ...
... • The more precise a measurement of posiGon è the more uncertain the measurement of momentum will be. • The more precise a measurement of momentum è the more uncertain the measurement of the po ...
Reflections on the deBroglie–Bohm Quantum Potential
... historical reasons. It is a physical process that propagates in three-dimensional Galilean space over time. A quantum particle is a point-like object localised in three-dimensional Galilean space with an inertial mass and a well-defined position at all times. This does not conflict with the uncertai ...
... historical reasons. It is a physical process that propagates in three-dimensional Galilean space over time. A quantum particle is a point-like object localised in three-dimensional Galilean space with an inertial mass and a well-defined position at all times. This does not conflict with the uncertai ...
Holographic Metals and the Fractionalized Fermi
... of the spin operator S^ is 1=2. It has been argued that this scaling dimension holds to all orders in 1=N [29,31], and so for SU(2) we also expect dim½S^a ¼ 1=2. Other meanfield theories of HA have been studied [18,24,25,27,31], and yield related gapless quantum liquids with other scaling dimens ...
... of the spin operator S^ is 1=2. It has been argued that this scaling dimension holds to all orders in 1=N [29,31], and so for SU(2) we also expect dim½S^a ¼ 1=2. Other meanfield theories of HA have been studied [18,24,25,27,31], and yield related gapless quantum liquids with other scaling dimens ...
Advances in Atomic Physics: An Overview (793 Pages) - Beck-Shop
... (Lamb shift, spin anomaly g − 2) are called radiative corrections. We show that the approach followed in part 2 provides new physical insights into radiative corrections produced by comparing the perturbations due to a non-zero applied field to those obtained when the electromagnetic field is in its ...
... (Lamb shift, spin anomaly g − 2) are called radiative corrections. We show that the approach followed in part 2 provides new physical insights into radiative corrections produced by comparing the perturbations due to a non-zero applied field to those obtained when the electromagnetic field is in its ...
rutherfords model
... For normalizable solutions we must take the decaying solution Inspired by this, rewrite the solution in terms of yet another unknown function, F(r): ...
... For normalizable solutions we must take the decaying solution Inspired by this, rewrite the solution in terms of yet another unknown function, F(r): ...
Do not mess with time: Probing faster than light travel and
... example, think of the causal loops where at some point ones travels back in time to give to his/her past-self the numbers associated to some lottery. Several solutions have been proposed for such paradoxes (see e.g. for a detailed discussion Ref. 1) we shall here focus on the so called Hawking’s chr ...
... example, think of the causal loops where at some point ones travels back in time to give to his/her past-self the numbers associated to some lottery. Several solutions have been proposed for such paradoxes (see e.g. for a detailed discussion Ref. 1) we shall here focus on the so called Hawking’s chr ...
Quantum Theory and the Brain - Biological and Soft Systems
... Now the brain has surely evolved over the ages in order to process information in a predictable manner. The trout cannot afford to hesitate as it rises for the mayfly. Without disputing this fact, however, it is possible to question whether the precise sequence of events in the fish’s brain are pred ...
... Now the brain has surely evolved over the ages in order to process information in a predictable manner. The trout cannot afford to hesitate as it rises for the mayfly. Without disputing this fact, however, it is possible to question whether the precise sequence of events in the fish’s brain are pred ...
Quantum Biology at the Cellular Level
... especially their electronic structure, electron/energy transfer kinetics, and the analysis of nonclassical forces in chemical reactions and bonding. Notably, electron tunneling has been established as a common mechanism in enzymatic reaction. Particularly striking is the apparent role of tunneling o ...
... especially their electronic structure, electron/energy transfer kinetics, and the analysis of nonclassical forces in chemical reactions and bonding. Notably, electron tunneling has been established as a common mechanism in enzymatic reaction. Particularly striking is the apparent role of tunneling o ...
A REPORT ON QUANTUM COMPUTING
... the other. An operation on such a qubit effectively acts on both values at the same time. The significant point being that by performing the single operation on the qubit, we have performed the operation on two different values. Likewise, a two-qubit system would perform the operation on 4 values, a ...
... the other. An operation on such a qubit effectively acts on both values at the same time. The significant point being that by performing the single operation on the qubit, we have performed the operation on two different values. Likewise, a two-qubit system would perform the operation on 4 values, a ...
Physics Today - Portland State University
... such a system to communicate faster than the speed of light. If the value of a had any effect on the counting statistics at c' and d\ that would clearly violate special relativity. Why quantum theory, a specifically nonrelativistic theory, should conspire to be consistent with relativity in this way ...
... such a system to communicate faster than the speed of light. If the value of a had any effect on the counting statistics at c' and d\ that would clearly violate special relativity. Why quantum theory, a specifically nonrelativistic theory, should conspire to be consistent with relativity in this way ...
Quantum Expanders: Motivation and Constructions
... change the entropy of a state. An operator has small degree if it can never add much entropy to the state it acts upon. Specifically, a degree D operator can never add more than log(D) entropy. Such a view is almost explicit in the work of Capalbo et al. [9], where they view expanders as entropy con ...
... change the entropy of a state. An operator has small degree if it can never add much entropy to the state it acts upon. Specifically, a degree D operator can never add more than log(D) entropy. Such a view is almost explicit in the work of Capalbo et al. [9], where they view expanders as entropy con ...
Quantum computers
... will always yield the same result we got this first time – Amplitudes are lost as soon as the measurement is made, so amplitudes cannot be measured ...
... will always yield the same result we got this first time – Amplitudes are lost as soon as the measurement is made, so amplitudes cannot be measured ...
computing
... so-called working bits which are set to zero at the input and return to zero at the output but which can take non-zero values during the computation. What makes quantum function evaluation really interesting is its action on a superposition of different inputs x, for example, X X |x, 0i 7→ |x, f (x) ...
... so-called working bits which are set to zero at the input and return to zero at the output but which can take non-zero values during the computation. What makes quantum function evaluation really interesting is its action on a superposition of different inputs x, for example, X X |x, 0i 7→ |x, f (x) ...
Why Philosophers Should Care About - Philsci
... combinatorics, representation theory, Fourier analysis, and nearly every other subject about which yellow books are written. Of course, this contributes not only to complexity theory’s depth but also to its perceived inaccessibility. In this essay, I’ll argue that complexity theory has direct releva ...
... combinatorics, representation theory, Fourier analysis, and nearly every other subject about which yellow books are written. Of course, this contributes not only to complexity theory’s depth but also to its perceived inaccessibility. In this essay, I’ll argue that complexity theory has direct releva ...
Visualizing the invisible nanoworld: ICT
... tools and their epistemic role in promoting the conceptual development of the field. The invention of scanning tunneling microscopy (STM) thirty years ago opened up a visual window to the nanoworld. Scanning an atom sized probe tip across surfaces, measuring the tunnel current, and transforming the ...
... tools and their epistemic role in promoting the conceptual development of the field. The invention of scanning tunneling microscopy (STM) thirty years ago opened up a visual window to the nanoworld. Scanning an atom sized probe tip across surfaces, measuring the tunnel current, and transforming the ...
Solving Schrödinger`s equation around a desired energy
... large molecules and solids are generally cast in terms of solutions to some effective single-particle Schrodinger equation ...
... large molecules and solids are generally cast in terms of solutions to some effective single-particle Schrodinger equation ...
Spin-Mediated Consciousness Theory: Possible Roles
... the collective spin dynamics associated with said collapses have effects through spin chemistry on classical neural activities thus influencing the neural networks of the brain. Our proposal calls for extension of associative encoding of neural memories to the dynamical structures of neural membrane ...
... the collective spin dynamics associated with said collapses have effects through spin chemistry on classical neural activities thus influencing the neural networks of the brain. Our proposal calls for extension of associative encoding of neural memories to the dynamical structures of neural membrane ...
The Single-Atom Transistor: perspectives for quantum electronics on
... Controlling the junction at the single-atom level Figure 4 shows a sequence of reproducible switching events between an insulation “off-state” and a quantized conducting “on-state” (at 1 G 0 ), where the quantum conductance (red curves) of the switch is controlled by the gate potential (blue curves) ...
... Controlling the junction at the single-atom level Figure 4 shows a sequence of reproducible switching events between an insulation “off-state” and a quantized conducting “on-state” (at 1 G 0 ), where the quantum conductance (red curves) of the switch is controlled by the gate potential (blue curves) ...