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More precisely, the Hartle-Hawking state is a hypothetical vector in the Hilbert space of a theory of quantum gravity that describes the wave function of the universe.. It is a functional of the metric tensor defined at a (D − 1)-dimensional compact surface, the universe, where D is the spacetime dimension.
On November 13, KNK released an album preview which gave sneak peeks of each song. A new set of individual image teasers called "Black version" was released the next day. On November 15, the music video teaser for the lead single, "U", was released, however it was announced the following day that the agency and the members decided to dispose ...
KNK (Korean: 크나큰; RR: Keunakeun; lit. "great" or "to be great") is a South Korean boy band formed in 2016. They released their debut single album Knock on March 3, 2016. [ 2 ] The group currently consists of four members, Inseong, Jihun, Dongwon and Hyunjong.
The Kármán line (or von Kármán line / v ɒ n ˈ k ɑːr m ɑː n /) [2] is a conventional definition of the edge of space; it is widely but not universally accepted. The international record-keeping body FAI (Fédération aéronautique internationale) defines the Kármán line at an altitude of 100 kilometres (54 nautical miles; 62 miles ...
Awake is the first extended play (EP) by South Korean boy group KNK.It contains six songs and two instrumental tracks, including the lead single, "Back Again". All tracks from the EP was personally written, composed and arranged by Kim Tae-joo who also produced hit songs like Beast's "Good Luck", "12:30" and more.
A world line of an object (generally approximated as a point in space, e.g., a particle or observer) is the sequence of spacetime events corresponding to the history of the object. A world line is a special type of curve in spacetime. Below an equivalent definition will be explained: A world line is either a time-like or a null curve in spacetime.
A quantum state in the Fock space is called a Fock state if it is an element of the occupancy number basis. A Fock state satisfies an important criterion: for each i, the state is an eigenstate of the particle number operator ^ corresponding to the i-th elementary state k i. The corresponding eigenvalue gives the number of particles in the state.
Super-resolution has previously been used as indicator of NOON state production, in 2005 Resch et al. [8] showed that it could equally well be prepared by classical interferometry. They showed that only phase super-sensitivity is an unambiguous indicator of a NOON state; furthermore they introduced criteria for determining if it has been ...