| This field obeys the expected equations of motion for an electromagnetic vector potential in four spacetime dimensions. |
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| Gis the Einstein tensor in curved spacetime and T is an unknown tensor with mixed symmetry which is actually specified by that vertical bar. |
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| The photons that reached its senses followed paths that varied slightly from the straight-line geodesics of flat spacetime. |
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| The time line dips back into the past and could form a closed curve in spacetime. |
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| The full four-dimensional space, or five-dimensional spacetime, is referred to as the bulk. |
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| Heterotic string theories are supersymmetric string theories living in ten spacetime dimensions. |
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| Figure 4 shows the spacetime cylinder slit open along Albert's world line and flattened to a rectangle. |
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| What happens to physics when the dimensionality of spacetime is not equal to the four we know and usually love? |
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| In Newtonian spacetime it may appear implausible, but it may fare better when we turn to Minkowski spacetime. |
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| Establishment of spacetime boxes in areas where juveniles or spawners are abundant, especially for vulnerable or threatened species. |
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| Its chosen scientific focus, quantum theory and spacetime, is very close to my heart. |
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| All physics can be derived, via differential geometry, from these underlying primordial qualities of spacetime. |
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| When we have in mind the structural elements of sub-atomic particles, their scale is out from the spacetime spectrum with which our senses deal. |
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| There is now a general acceptance among physicists and cosmologists that spacetime can also originate in a quantum process. |
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| These are hypothetical tunnels through spacetime that permit you to travel from A to B faster than light would go if light took the long route. |
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| Next week Coxy gets to grips with spacetime, in a way unmastered since the days of Douglas Adams. |
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| The twin focus on quantum theory and spacetime places PI at the apex of 21st century theoretical physics and that is a very exciting place to be. |
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| We still don't know the fundamental M theory, but a lot has been learned about the eleven-dimensional M theory and how it relates to superstrings in ten spacetime dimensions. |
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| Collisions between black holes produce spherical ripples in the fabric of spacetime, in the form of gravitational waves. |
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| When one attempts to quantize gravity, one is subjecting some of the properties of spacetime to quantum fluctuations. |
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| It is a powerful generalisation of Hamiltonian theory that remains valid for curved spacetime. |
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| Like with the ambient, and environment, roots that unveil the blow surrounding something, the phrana's incontinenti involvement, pneuma, constituting the most vigorous nous, spacetime free. |
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| In general relativity, the effects of gravitation are ascribed to spacetime curvature instead of a force. |
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| This explains why moving along the geodesics in spacetime is considered inertial. |
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| Defenders of the Hole Argument take this commitment to indeterminism to be a consequence of accepting certain models of general relativity as genuinely distinct possibilities for substantival spacetime. |
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| The solutions of the field equations are the components of the metric tensor of spacetime. |
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| Spacetime events, individuated invariantly as spacetime coincidences, have as much or more right to be taken as real, precisely because of the univocal manner of their determination. |
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| In relativistic quantum field theory, just as in classical field theory, Minkowski spacetime is the fixed background of the theory. |
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| See Quantum field theory in curved spacetime for a more complete discussion. |
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| Loop quantum gravity seriously considers general relativity's insight that spacetime is a dynamical field and is therefore a quantum object. |
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| The quantum state of spacetime is described in the theory by means of a mathematical structure called spin networks. |
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| Wild expansion would make all matter unravel at the atomic level as spacetime itself disappears. |
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| The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. |
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| Decipher unorthodox solutions hiding in the eleven-dimensions of spacetime Chaos. |
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| Rotating black holes are surrounded by a region of spacetime in which it is impossible to stand still, called the ergosphere. |
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| According to quantum field theory in curved spacetime, a single emission of Hawking radiation involves two mutually entangled particles. |
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| Then there exists a unique outgoer and unique ingoer through each point of Kerr-star spacetime. |
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| Some stars may contain wormholes, throatlike tunnels connecting distant points in spacetime, a team of physicists proposes. |
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| The multi-laterality of our Universe implies the best spacetime model should be a combinatorial one. |
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| This longitudinal electromagnetic energy flux is massless as it is due to distortion, not dilatation, of the spacetime continuum. |
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| Twistors, deriving from what are known as spinors, are abstract entities which may provide the structure of spacetime. |
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| The structure of curved spacetime is encoded in the metric field tensor gab, with the curvature encoding gravity at the same time: gravitational forces are so to speak 'built into' the metric field, geometrized away. |
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| Our latter day spacetime, however, is highly inegalitarian and tends to function everywhere to the benefit of some and to the detriment of others. |
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| The general theory of relativity was intended to be a generally covariant account of spacetime, and its general covariance was intended to express the general relativity of motion. |
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| Brown rejects the notion, which can be glimpsed in some passages by advocates of substantival spacetime, that spacetime's structure should be thought of as causing fast-moving bodies to shrink in length, etc. |
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| It is, however, invariant under the isometries of flat spacetime that we use to generate global conservation laws. |
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| In addition, antenna and coding technologies such as smart antennas, diversity techniques, coding techniques, spacetime coding, and combined technologies improve the radio link quality in multipath Rayleigh fading channels. |
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| Vanishing energy, for example, could be a particle sneaking off into another dimension, or merely one that has zipped away in boring, normal spacetime without leaving a trace, because the machine is not equipped to notice it. |
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| Several projects are already under way to detect gravitational waves ripples in the fabric of spacetime itself although none has yet caught its quarry. |
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| The Korean-born Canadian artist creates a dialogue in her work that goes beyond spacetime and that simultaneously resonates with nothingness and fullness. |
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| Place of permanence, point of cult, culture, transversal spacetime cut, to dive into the words of an old American Indian, from the beginning of the 20th century, when he defended that «all sacred has its place». |
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| We are interested here in the structure of spacetime around the sun. |
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| This nonbirefringence constrains the spacetime constitutive tensor to high precision to a core metric form with an axion degree and a dilaton degree of freedom. |
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| In our discrete 4-D spacetime we need to tesselate this Riemann surface into identical equilateral triangles and then perform the symmetry transformations of the sphere. |
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| The second method, using lasers, is designed to measure spacetime geometry variations between mirrors suspended in vacuum using interferometry in a Michelson configuration. |
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| The general way to include spinors in spacetime is to use a nonholonomic tetrad structure and keep the algebra the same in each such defined space. |
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| Another noteworthy contribution is his 1971 invention of spin networks, which later came to form the geometry of spacetime in loop quantum gravity. |
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| The most extreme example of this curvature of spacetime is a black hole, from which nothing can escape once past its event horizon, not even light. |
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| Einstein discovered the field equations of general relativity, which relate the presence of matter and the curvature of spacetime and are named after him. |
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| The geodesic paths for a spacetime are calculated from the metric tensor. |
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| It follows, then, that spacetime has an elementary quantum granular structure at the Planck scale, which cuts off the ultraviolet infinities of quantum field theory. |
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| In the covariant, or spinfoam formulation of the theory, the quantum dynamics is obtained via a sum over discrete versions of spacetime, called spinfoams. |
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| As predicted by general relativity, the presence of a mass deforms spacetime in such a way that the paths taken by particles bend towards the mass. |
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| At the center of a black hole, as described by general relativity, lies a gravitational singularity, a region where the spacetime curvature becomes infinite. |
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| In Einstein's theory, energy and momentum distort spacetime in their vicinity, and other particles move in trajectories determined by the geometry of spacetime. |
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