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  2. Cardy formula - Wikipedia

    en.wikipedia.org/wiki/Cardy_formula

    The resulting Cardy–Verlinde formula was obtained by studying a radiation-dominated universe with the Friedmann–Lemaître–Robertson–Walker metric = + where R is the radius of a n-dimensional sphere at time t. The radiation is represented by a (n+1)-dimensional CFT.

  3. Conformal field theory - Wikipedia

    en.wikipedia.org/wiki/Conformal_field_theory

    A conformal field theory (CFT) is a quantum field theory that is invariant under conformal transformations. In two dimensions , there is an infinite-dimensional algebra of local conformal transformations, and conformal field theories can sometimes be exactly solved or classified.

  4. Two-dimensional conformal field theory - Wikipedia

    en.wikipedia.org/wiki/Two-dimensional_conformal...

    While a CFT might conceivably exist only on a given Riemann surface, its existence on any surface other than the sphere implies its existence on all surfaces. [1] [2] Given a CFT, it is indeed possible to glue two Riemann surfaces where it exists, and obtain the CFT on the glued surface. [1] [3] On the other hand, some CFTs exist only on the ...

  5. Liouville field theory - Wikipedia

    en.wikipedia.org/wiki/Liouville_field_theory

    The corresponding classical equation of motion is the sinh-Gordon equation. The model can be viewed as a perturbation of Liouville theory. The model's exact S-matrix is known in the weak coupling regime < <, and it is formally invariant under . However, it has been argued that the model itself is not invariant.

  6. List of chemical elements - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_elements

    A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...

  7. DOGE tracker: A running list of what Elon Musk and Vivek ...

    www.aol.com/doge-tracker-running-list-elon...

    Publicize all the changes the commission makes. Musk said in a post on X that he'd publish all of DOGE's actions online for "maximum transparency."

  8. 50 People Who Got Annoyed At Their Pets, But Then ... - AOL

    www.aol.com/pet-annoys-then-remember-m-020007506...

    Image credits: nani.mtz For many owners, having a pet is somewhat like having a child. You love your furry little friend unconditionally, and you are responsible for their wellbeing.

  9. Miedema's model - Wikipedia

    en.wikipedia.org/wiki/Miedema's_model

    This Table, reports the three main Miedema parameters for the elements of the Periodic table for whom the model is applicable. These are original parameters [13] which are after page 24 of the book after F.R. De Boer, R. Boom, W.C.M. Mattens, A.R. Miedema and A.K. Niessen Cohesion in Metals. Transition Metal Alloys (1988), [14]