Thegeneralized warpdrive concept in theegrtheory patrick marquet. As of april 4th, 2018, we are actively in the process of creating individual. The canonical form of the alcubierre warp drive metric is. The alcubierre metric defines the warp drive spacetime. The alcubierre drive is, of course, still highly speculative. However, just as happens with wormholes, exotic matter.
The main characteristics of the resulting warp drive remain the same as in the original study by alcubierre, that is, effective superluminal motion is a viable outcome of the metric. Surfing to the stars on warped space said the creators of star trek apparently knew a thing or two. Classical and quantum gravity letter to the editor related. Alcubierre is known for the proposed alcubierre drive, a speculative warp drive by which a spacecraft could achieve fasterthanlight travel. Abstract it is shown how, within the framework of general relativity and without the intro.
The alcubierre warp drive in higher dimensional spacetime. Miguel alcubierre the new scientist article science. Jan 14, 2020 in the late20th century, mexican scientist miguel alcubierre proved that warp drive was, in fact, consistent with laws governing the universe. As in it warps spacetime to effectively shorten the travel distance ahead of the ship. Now whip wildly via a gravitomagnetic force in a rotating superconductor while standing by for alcubierre warp drive in higher dimensional spacetime. Nasa scientists now think that the famous warp drive concept is a realistic possibility, and that in the far future humans could regularly travel faster than the speed of light. Alcubierre warp drive is an idea proposed by mexican theoretical physicist miguel alcubierre.
Alcubierre drive is pretty much a more properly thoughtout equivalent of the warp drive from star trek. Jun 24, 2017 an alcubierre drive is a theoretical and i mean very theoretical device that would enable faster than light travel without specifically breaking relativity. Jan 22, 2018 in this video we discuss how another variant of the alcubierre drive works the alcubierre froning warp drive. Classical and quantum gravity letter to the editor. In one of my interstellar mod games i went to moho using the inertial fusion engine and had ridiculous amounts of deltav, so i decided to make the return by leaving retrograde, cancelling all of the planets rotational velocity and heading home the straightest way possible. Little is known about the interactions between massive particles and the alcubierre warp drive, or the e. Department of physics and astronomy, university of wales, college of cardi. An alcubierre drive is a theoretical and i mean very theoretical device that would enable faster than light travel without specifically breaking relativity. In the late20th century, mexican scientist miguel alcubierre proved that warp drive was, in fact, consistent with laws governing the universe. Nov 16, 2012 the alcubierre drive is, of course, still highly speculative. Alcubierres warp drive geometry seemingly represents the ultimate dream for interstellar travel. The alcubierre warp drive wolfram demonstrations project.
Miguel alcubierre found a spacetime metric that not only does this job but is also consistent with einsteins general theory of relativity. Alcubierres warp drive geometry seemingly represents the ultimate dream for interstellar. Figure2 illustrates alcubierres metric solution compared. Propulsao alcubierre wikipedia, a enciclopedia livre. The alcubierre warp drive metric, wherein a spacecraft can appear to vastly exceed the speed of light without locally ever doing so, derived in 1, is reconsidered. This column was written and submitted 41596 and is ed 1996 by john g. It is an idea by which a spacecraft could achieve fasterthanlight travel if a required warp field is created. May 17, 2015 alcubierre drive is pretty much a more properly thoughtout equivalent of the warp drive from star trek. Section 3 presents the geodesics of spaceship and its velocities relative to the start point and to the deformed spacetime versus the rate of spacetime deformation induced by alcubierres warp drive. Nasa has quietly, and successfully, tested an electromagnetic em drive in a spacelike vacuum. Classical and quantum gravity, volume 11, number 5. Particularly summarizing the paper called the warp drive.
Alcubierre drive plural alcubierre drives a hypothetical means of fasterthanlight propulsion, based on the controlled contraction and expansion of surrounding space. However, in its original form, the proposal suffers from several fatal flaws, such as unreasonably high energies, energy moving in a locally spacelike direction, and a violation of. It does this by moving the space around a craft rather than moving the craft itself. The canonical form of the alcubierre warp drive metric is considered to gain insight into the mathematical. Little is known about the interactions between massive particles and the alcubierre warp drive, or the e ects of an accelerating or decelerating warp bubble.
Nasa scientists are working with smallscale models in an effort to produce localized distortions in space, but this new aussie. Me ftl drives cant travel more than 2050 ly per trip before they need to dump the ftl reactor waste that would otherwise cause the ship to explode. Alternate view column av81 university of washington. Motivated by his fascination with gene roddenberrys revolutionary plot driver, alcubierres starship designknown as the alcubierre driverides a wave of spacetime, much like a surfer rides a. However, just as happens with wormholes, exotic matter will be needed in order to generate a distortion of spacetime like the one discussed here. In this work we use the geometrized system of units in which c g 1 spacetime metrics in general relativity are often written in the following form. Warp drives might be more realistic than thought wired. The alcubierre warp drive quantified foliation of spacelike hypersurfaces in the context of proper time and spatial coordinates but required, at the minimum, nonbaryonic exotic matter to be utilized in any imaginable manner and neither cern nor any other particle accelerator has released any monumental findings as of late. Hear why he doubts it will ever be a reality, and learn about his current research on gravitational waves. In this video we discuss how another variant of the alcubierre drive works the alcubierrefroning warp drive. The alcubierre drive is a valid solution provided you can lay your hands on some exotic matter, but then if you have a stock of exotic matter to hand all sorts of problematic solutions to gr are possible. Galaxy travel via alcubierres warp drive sciencedirect. We show that for particular choices of the shaping function, the alcubierre metric in. An explanation of the alcubierrefroning warp drive part i.
The alcubierre warp drive using lorentz boosts according. The alcubierre drive, alcubierre warp drive, or alcubierre metric referring to metric tensor is a speculative idea based on a solution of einsteins field equations in general relativity as proposed by mexican theoretical physicist miguel alcubierre, by which a spacecraft could achieve apparent fasterthanlight travel if a configurable energydensity field lower than that of vacuum that is. The alcubierre warp drive in higher dimensional spacetime h. The warp drive as a solution of the einstein field equations of general relativity that allows superluminal travel appeared. Nasa physicist harold white has given a new presentation and updated version of a theoretical version of a future warp drive vessel. There is also the exotic matter issue, because it requires negative energy densities to keep open the warp bubble. Jan 20, 2017 in physics, it is what is known as the alcubierre warp drive. Modified alcubierre warp drive iii gianluca perniciano, bsc, department of physics of the university of cagliari, italy. The alcubierre warp bubble illustrated in figure2 is a specific warp metric solution of general relativity and is a combination of positive and negative energy fields that pushes and pulls our starship forward to bring our destination to us just like a conveyer belt. Godel and the alcubierre warp drive chapter 1 laysan. Named after theoretical physicist miguel alcubierre. It isnt obvious to me why there should be any relationship between the alcubierre drive and gravitoelectromagnetism. Inspired by star trek, distinguished physicist miguel alcubierre developed the general relativitybased model for warp drive 20 years ago.
A solution of general relativity is presented that describes an alcubierre 1 propulsion system in which it is possible to travel at superluminal speed while reducing the energy density and energy by. It is the warp bubble that travels past the speed of light. Miguel alcubierre moya born march 28, 1964 is a mexican theoretical physicist. According to one researcher in britain, fasterthanlight travel using the kind of warp drive used on the uss enterprise could be achieved without changing the laws of physics.
The ones marked may be different from the article in the profile. The alcubierre metric defines the warpdrive spacetime. The alcubierre drive, alcubierre warp drive, or alcubierre metric referring to metric tensor is a speculative idea based on a solution of einsteins field equations in general relativity as proposed by theoretical physicist miguel alcubierre, by which a spacecraft could achieve apparent fasterthanlight travel if a configurable energydensity field lower than that of vacuum that is. Harold sonny white nasa johnson space center 2101 nasa parkway, mc ep4 houston, tx 77058 email. Jan 19, 2017 in physics, it is what is known as the alcubierre warp drive. It is a lorentzian manifold that, if interpreted in the context of general relativity, allows a warp bubble to appear in previously flat spacetime and move away effectively faster than lightspeed. The concept of a warp drive proposed by alcubierre, and natario does not allow for a ship itself to exceed the speed of light. This example is to illustrate the fact that while the alcubierre drive is theoretically plausible and mathematically correct, not every scientist working in general relativity accepts the concept. This cited by count includes citations to the following articles in scholar. A short video clip of the hypothetical effects of the warp drive. By means of a warp drive that generates a warp bubble around the spaceship, the traveler can cover thousands of light years in a few hours.
Conformal gravity and the alcubierre warp drive metric. By using the arnowittdesermisner formalism we then reformulate an extended extrinsic curvature which corre. The alcubierre warp drive allows a spaceship to travel at an arbitrarily large global velocity by deforming the spacetime in a bubble around the spaceship. Some are calling the propulsion system a warp drive for its incredible potential speeds, although researchers say it falls short of fasterthanlight travel. Impossible physics meet nasa s design for a warp drive ship alcubierre drive nasa s warpdrive is faster than light sd government warp drive research borders on impossible physicist says hypothetical future faster than. We present an analysis of the classic alcubierre metric based on conformal gravity, rather than standard general relativity. Davis2 15231 pilgrim oaks lane, league city, tx 77573, usa 2inst. Alcubierre drive clarification on relativistic effects. The alcubierre warp drive using lorentz boosts according to. Department of physics and astronomy, university of wales, college of cardiff, po box.
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