A surname.

A type of lightweight, four-wheeled carriage in which the front and back passenger seats face each other. / (by extension) A style of automobile based around the design of landau carriages.

plural of landau

plural of Landau level

(physics) Any of the discrete energy values that represent the only cyclotron orbits that a charged particle can occupy in a magnetic field, as a result of Landau quantization.

(number theory) The constant of proportionality (approximately 0.7642) in the relationship between the number of positive integers less than x that are the sum of two square numbers, for large x, and the expression x/√.

(medicine, neurology) A rare childhood neurological syndrome, characterized by the sudden or gradual development of aphasia and an abnormal electroencephalogram.

(physics) A stress–energy–momentum pseudotensor for combined matter (including photons and neutrinos) plus gravity, allowing the energy–momentum conservation laws to be extended into general relativity.

(mineralogy) A trigonal-rhombohedral black mineral containing iron, lead, manganese, oxygen, potassium, sodium, titanium, and zinc.

A small landau. / A motor car with an open driver’s seat and an enclosed rear section with one cross-seat and a collapsible roof; sometimes used for weddings.