"Vacuum expectation values of products of neutral scalar field operators are discussed. The properties of these distri…"

"… there are other things wrong with these models but the fundamental trouble is the non-uniqueness of the vacuum as w…"

"Why was the discovery of the ... so important for the physics of the 1920s and 30s? The answer is manifold. The Dirac…"

"The family of mathematical problems discussed here has emerged in recent years as a result of efforts to put a small …"

"... when I was a graduate student in the 1950s, I had to learn a lot about cosmic ray physics — because that's where …"

"For him delicious flavors dwell In books as in old Muscatel."

"And in the evening, everywhere Along the roadside, up and down, I see the golden torches flare Like lighted street-la…"

"Song like a rose should be; Each rhyme a petal sweet; For fragrance, melody, That when her lips repeat The words, her…"

"Americans have always been especially prone to regard all things as resulting from the free choice of a free will. Pr…"

"Democracy is clearly most appropriate for countries which enjoy an economic surplus and least appropriate for countri…"