Sentences with phrase «of equivalence principle»

There are several versions of the equivalence principle, but all boil down to one idea: that the effects of gravitational fields are indistinguishable from the effects of accelerated...

One of the first reported tests of the equivalence principle — well before it was understood in the framework of general relativity — was Galileo's apocryphal experiment in which he is said to have dropped weights from the Leaning Tower of Pisa.

Quantum test of the equivalence principle for atoms in superpositions of internal energy eigenstates.

Although no discrepancy has been found, physicists continue to look for one, because any violation of the equivalence principle could point to new forces of nature.

But there is reason to suspect that gravitational energy is a special case, that measurements of sufficient accuracy might expose a violation of the equivalence principle when energy is stored in a gravity field.

Despite its technical difficulty, lunar laser ranging is capable of exquisite precision, and Murphy thinks it's possible that his measurements — the most accurate measurements ever of the moon's path around Earth, if all goes well — may be precise enough to reveal a violation of the equivalence principle.

Because of that equivalence principle, then, the same must be true for gravity: As a gravitational field grows stronger, time slows even more.

Evidence supporting the first aspect of the equivalence principle initially came four centuries ago.

By going into space like Gravity Probe B, STEP could dramatically improve the precision of equivalence principle measurements.

No one knows whether MICROSCOPE will be sensitive enough to detect violations of the equivalence principle.

It would focus on atom interferometry, and achieving the sensitivity to surpass the best tests of the equivalence principle.

The result is the most precise confirmation yet of the equivalence principle, first tested more than 400 years ago by Galileo Galilei.

As the satellite traces out a 1.5 - hour - long orbit, a characteristic rise and fall in the difference between the two applied voltages would indicate that one of the cylinders is falling slightly faster than the other — and signal a violation of the equivalence principle.

Not exact matches

Its principle is to conduct equivalence assessments of each standard against a single international reference: the COROS - Common Objectives and Requirements for Organic Standards (also called «IFOAM Standards Requirements»).

Physicists scrutinize the equivalence principle because any violation could point to new forces of nature that might resolve a long - standing impasse between general relativity and quantum theory.

That «equivalence principle» now serves as the cornerstone of Albert Einstein's theory of gravity, general relativity, and physicists are keen to test it in as many ways as they can.

Researchers see the equivalence principle, a central tenet of general relativity, as a promising avenue of attack that could steer them toward an ultimate theory of everything.

Simply put, the equivalence principle holds that all bodies under the influence of the same gravitational field experience the same acceleration, regardless of their mass or composition.

After all, according to the equivalence principle, «you are in effect dropping the Earth and the moon around the sun,» says the University of Chicago's Holz.

This became Einstein's principle of equivalence, which states that a uniform acceleration is equivalent to, or indistinguishable from, a uniform gravitational field.

His reason was that his colleagues» approach — folding descriptions of gravity into special relativity rather than crafting a whole new theory — disagreed with his equivalence principle.

This was to measure the bending of light by the sun's gravity, an effect predicted by the equivalence principle.

That formed the basis of what he called the equivalence principle, which serves as the foundation of the general theory of relativity.

A second reason was his concern with incorporating gravity, making use of what he called the equivalence principle, which postulates that observers can never distinguish the effects of gravity from those of acceleration as long as they observe phenomena only in their neighborhood.

If so, that would clearly violate the equivalence principle — the laws of physics are not supposed to change over time.

Ken Nordtvedt, a member of the Seattle team, first proposed the equivalence - principle violation, known as the Nordtvedt Effect, that Murphy seeks to measure.

My particular suggestion does not involve such an arbitrary choice but comes from a fundamental tension between the basic principles of quantum mechanics and those of standard gravitational theory (general relativity), especially the principle of equivalence.

The equations utilised to solve the problem are based on the physicists» basic knowledge, such as the definition of an event horizon and the so - called equivalence principle, which is part of the foundation of Einstein's theory of gravity.

According to the equivalence principle, the gravitational mass of an object, which determines the strength of gravity's pull, is the same as its inertial mass, which determines how much an object accelerates when given a push (SN: 10/17/15, p. 16).

Scientists are currently struggling to unify the pair into one theory of quantum gravity, and some candidate theories predict that the equivalence principle breaks down at the quantum level.

Scientists have previously tested the equivalence principle in atoms, comparing gravity's effects on different types of atoms, for example.

The system's unique geometry will allow the scientists to examine general relativity's strong equivalence principle, which states that gravity accelerates all objects at the same rate, regardless of their density.

The equivalence principle — one of the central tenets of Einstein's theory of gravity — survived a quantum test, scientists report online April 7 at arXiv.org.

Einstein's «equivalence principle», which underpins general relativity, says that if you stand in a falling elevator, your acceleration should cancel out the pull of gravity, leaving you unable to tell whether you are in free fall or whether there is simply no gravity present at all.

He went on to use this «equivalence principle» as the fundament of his general theory of relativity, still our best stab at explaining the mysterious force of gravity.

This is the first astronomical observation to suggest that Einstein's principle of equivalence is violated, says Bertolami (read a preprint of the article).

The controversial experiment seemed to fall foul of Einstein's equivalence principle, which states that all objects should accelerate under gravity at the same rate.

Space - based tests of fundamental physics have a long history, from early tests of general relativity to more recent missions such as gravity probe B and proposed missions to test the equivalence principle (STE - QUEST) and gravitational decoherence (MAQRO).

General relativity follows from Einstein's principle of equivalence: on a local scale it is impossible to distinguish between physical effects due to gravity and those due to acceleration.

This equivalence, which I call the parity principle, requires various assumptions, including a constant rate of income tax.

If the new judicial fees could be considered so high as to clash with the principles of effectiveness and equivalence, EU law would become a useful tool to declare the fees inapplicable.

Albert Sánchez Graells, for example, deplores the fact that the principle of equivalence was ignored by the Court when it reduced the procedural autonomy of the Member States.

In a remarkably short judgment the Court starts its considerations from the direct effect and full effectiveness of Article 101 (1) to find that national procedural rules relating to claims based on EU law must be subject to the principles of equivalence and effectiveness.

The difference then is that in Meister the duty of loyal cooperation turns into a positive obligation (reaching the goals of the directives), whereas the Rewe / Comet doctrine entails a negative obligation (refrain from applying national procedural rules that would run counter to the principles of equivalence and effectiveness).

If he can not do this, because he is restricted to an extunc appreciation, the question arises whether he can rely on his procedural autonomy, or whether the EU - law principles of effectiveness and equivalence force him to apply the ex nunc - rule.

The Court held that the procedures under UK law must comply with the principles of effectiveness and equivalence, and the right to an effective remedy.

If police were only able to bring a claim to the Police Appeals Tribunal and not to the employment tribunal, this would breach the principle of equivalence.

This wording incorporates two important Community law principles which are explained further in the same judgment: «It is settled case law that in the absence of Community rules governing the matter it is for the domestic legal system of each member state to... lay down the detailed procedural rules governing actions for safeguarding rights which individuals derive from Community law, provided, however, that such rules are not less favourable than those governing similar domestic actions (the principle of equivalence) and do not render virtually impossible or excessively difficult the exercise of rights conferred by Community law (the principle of effectiveness).»

However, in the case of the third it was necessary to go to the further Commission argument that the EAT decision was incompatible with EC law (on the principles of effectiveness and equivalence).

To point out this elementary fact is not, obviously, to draw any moral equivalence between injustices: it is to insist only on what Herbert Wechsler rightly proclaimed, decades ago, should be an animating value of all constitutional adjudicaton: the development of general, neutral, principles.