Sentences with phrase «of quantum phase»

For example, this could mean investigating whether the predicted universal relation is valid qualitatively or quantitatively for the same type and different type of quantum phase transitions occurring in other models than that considered here.
Imaging of atoms that were optically trapped in lattice sites reveals local dynamics of a quantum phase transition.
The system already allows researchers to obtain unique insights into transformations between different types of quantum phases, called quantum phase transitions.

Not exact matches

The field of quantum computing is still in its experimental phase, with IBM's (ibm) head of quantum research and vice president of artificial intelligence Dario Gil comparing it to the state of conventional computing in the 1950s.
A quantum gravitational phase is not a supernatural causation it is a mathematical construct but it is drifting towards an abstract of reality.
The subjective unity dominating the process forbids the division of that extensive quantum which originates with the primary phase of the subjective aim.
Inflation happens in a «cold» spacetime in its later phases, relatively weak quantum fluctuations of gravitons and presumably inflatons being present.
Instead you have to ad hoc add their generation from hypothetical phase transitions of quantum fields as the universe cools.
Sherburne twice (PS 1:102, 103) quotes against me Whitehead's statement that «the subjective unity dominating the process forbids the division of the extensive quantum which originates with the primary phase of the subjective aim» (PR 434).
I have read a dissertation that analyzes quantum events in terms of Whitehead's description of the phases of concrescence.
And, by very reason of the elements involved, the process can not achieve stability until, over the entire globe, the human quantum has not merely closed the circle upon itself (as it is doing at this moment, in a penultimate phase) but has become organically totalized.
Perhaps he wanted to discuss quantum physics or the various phases of the moon.
Harvard researchers have developed a specialized quantum computer, known as a quantum simulator, which could be used to shed new light on a host of complex quantum processes, from the connection between quantum mechanics and material properties to investigating new phases of matter and solving complex real - world optimization problems.
«Our research shows for the first time that classical systems such as artificial spin ice can be designed to demonstrate topological ordered phases, which previously have been found only in quantum conditions,» said Los Alamos National Laboratory physicist Cristiano Nisoli, leader of the theoretical group that collaborated with an experimental group at the University of Illinois at Urbana - Champaign, led by Peter Schiffer (now at Yale University).
«Big step forward for quantum computing: Quantum simulator could be used to probe material properties, new phases of matter and solve optimization problems.»
Classification of topological quantum phases has brought about a fundamental notion of SPT phases, which are exotic states under the protection of symmetries, and greatly expand our understanding of the fundamental nature of quantum matter.
In a recent research, an international team of experimental and theoretical physicists at the Hong Kong University of Science and Technology (HKUST) and Peking University (PKU) reported the observation of an SPT phase for ultracold atoms using atomic quantum simulation.
As one can classify the shapes of objects based on the mathematical concept called topology, an exotic phase of quantum matter can be understood with underlying topology and symmetry in physical materials.
Beyond the singularity could be an earlier, collapsing phase, or «big crunch,» of our universe or even the quantum creation of a universe from nothing.
The new system now demonstrated will soon allow further experiments on phase transitions in classical systems and in the quantum universe as well as tests in the field of nonlinear physics (e.g. solitons) to be performed in a well - controlled comparative system.
The laser became entangled with the collective spin of the cloud, meaning that the quantum states of laser and gas shared the same amplitude but had opposite phases.
Realizing these so - called «topographical defects» within a well - controlled system opens up new possibilities when it comes to investigating quantum phase transitions and looking in detail into the non-equilibrium dynamics of complex systems.
In the MIT - Harvard approach, the researchers generated a chain of 51 atoms and programmed them to undergo a quantum phase transition, in which every other atom in the chain was excited.
According to the first theory, the seeds which gave rise to the present day structure in the Universe are quantum fluctuations, minute variations on a subatomic scale that were expanded by more than 60 orders of magnitude as the Universe went through an «inflationary phase» — a period of extremely rapid expansion — first proposed by Alan Guth of the Massachusetts Institute of Technology.
At that point, there is a special class of continuous magnetic phase transition taking place at the absolute zero of temperature, driven by quantum - level fluctuations.
Superinsulation thus joins the ranks of other bizarre phases of matter that exist under extreme conditions, like superconductivity and Bose - Einstein Condensate (a condition in which, at almost absolute zero, large groups of atoms blur together into a single quantum state).
However, the rules of quantum physics guarantee that the eavesdropper could only get the phase right for 75 per cent of the new photons.
Photons can have a phase of anything between zero and 360degree but quantum physics allows an observer to distinguish only two distinct states, 90degree and 180degree.
Tiny magnetic atoms of chromium display superfluidity — and the possibility of exotic quantum phases
«The removal of phase matching in nonlinear optical metamaterials may lead to applications such as efficient multidirectional light emissions for novel light sources and the generation of entangled photons for quantum networking.»
«In quantum optics, the lack of phase advance would allow quantum emitters in a zero - index cavity or waveguide to emit photons which are always in phase with one another,» said Philip Munoz, a graduate student in the Mazur lab and co-author on the paper.
Which of the two possible kinds of motion prevails in the end depends on the time delay between the two pulses and on the quantum phase of the superposition.
The technique could lead to a greater understanding of theoretical predictions in quantum phase transitions because the experimental parameters used in the Rice experiments are highly adjustable, according to Kono.
Ongoing projects include study of exotic topological phases in the fractional quantum Hall regime, development and study of novel semiconductor / superconductor hybrid structures to host Majorana fermions, and development of devices for spin - based quantum bits (qubits).
Prof. T. Daniel Crawford's research expertise includes the development of high - accuracy quantum chemical models for the spectroscopic properties of chiral molecules in both gas and liquid phases.
Think chemical reactions, fluid interactions, even quantum phase changes in solids and a host of other problems that have daunted researchers in the past.
In 1980 Alexei Starobinsky independently postulated a similar early phase of exponential expansion, in this case driven by quantum gravity effects.
This allows you to manipulate the quantum potential field discovered by David Bohm and Yakir Aharanov through their experiments in which they shielded the magnetic field, and the electron was still affected, it still moved and phase shifted, through the use of the potentials, which are physically real and usable.
His most important contributions include theory of high harmonic generation by low frequency laser fields and atto - second physics, quantum optics of dielectric media, studies of Bose - Einstein condensates and their excitations (solitons, phase fluctuations), theory of entanglement, and more recently studies of strongly correlated many body atomic and quantum optical systems.
We will pursue a hybrid approach, exploiting the strong single - and two - photon absorption possible in the gas - phase of rubidium atoms, together with integrated - photonics, to achieve strong interactions between photons and atoms, and use these interactions to achieve efficient quantum memories, efficient photon detectors, and reliable entangling gates.
Two - dimensional model colloids and nano wires: phase transitions, effects of external potentials and quantum effects
As the frequency of the electric field of the infrared radiation approaches the frequency of the oscillating bond dipole and the two oscillate at the same frequency and phase, the chemical bond can absorb the infrared photon and increase its vibrational quantum number by +1.
Model additions include results from (i) quantum chemical calculations that clarify the previously uncertain gas phase mechanism of formation of MSA and (ii) a combination of published and experimental estimates of OSC emissions, such as those from marine, agricultural, and urban processes, which include pet waste and human breath.
We rarely deal with micro events and when we do the phasing of quantum jumps is so random that the process appears to be continuous.
Since I know no quantum mechanics at all, one of the questions I had hoped some reader would resolve was how valid quantum - mechanical considerations leave Velasco et al.'s result (which assumes a continuous phase space).
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