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‘Zur Affinen Feldtheorie.’ Offprint from: Sitzungsberichte der Preussischen Akademie der Wissenschaften, physikalisch-mathematischen Klasse XVII, pp. 137-140. Berlin: Akademie der Wissenschaften, 1923.
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EINSTEIN, Albert (1879-1955)
‘Zur Affinen Feldtheorie.’ Offprint from: Sitzungsberichte der Preussischen Akademie der Wissenschaften, physikalisch-mathematischen Klasse XVII, pp. 137-140. Berlin: Akademie der Wissenschaften, 1923.
Author’s offprint of the first publication of Einstein’s first significant effort towards unified field theory. After the First World War, Einstein became increasingly dissatisfied with his General Theory of Relativity, as electromagnetism could not be accounted for by the geometry of space-time. Weyl proposed a unified field theory that allowed electromagnetism to be expressed, but noticing that Weyl’s theory led to results that contradict experience, Einstein pursued Eddington’s observation that Weyl’s geometry of space-time is a special case, usually called affine geometries. In this offprint, Einstein presents a pure affine formulation of gravitation which only subsequently introduces a metric tensor, and marks Einstein’s first use of the concept of distant parallelism. Einstein was later to reject this theory (see following lot), but the notion of distant parallelism was revived in the late 1960s, and is still in use today, albeit applied exclusively to the theory of gravitation, rather than electromagnetism. This author’s offprint can be distinguished from the normal ‘trade’ edition by the statement ‘Uberreicht vom Verfasser’ on the wrapper. Very rare as author’s offprint. Norman 698; Weil *132 (identifying this as one of Einstein's major papers).
Quarto (255 x 184mm). 2 ll., paginated 137-140. Original printed orange wrappers (a near-fine copy with only insignificant faint marginal creasing).
‘Zur Affinen Feldtheorie.’ Offprint from: Sitzungsberichte der Preussischen Akademie der Wissenschaften, physikalisch-mathematischen Klasse XVII, pp. 137-140. Berlin: Akademie der Wissenschaften, 1923.
Author’s offprint of the first publication of Einstein’s first significant effort towards unified field theory. After the First World War, Einstein became increasingly dissatisfied with his General Theory of Relativity, as electromagnetism could not be accounted for by the geometry of space-time. Weyl proposed a unified field theory that allowed electromagnetism to be expressed, but noticing that Weyl’s theory led to results that contradict experience, Einstein pursued Eddington’s observation that Weyl’s geometry of space-time is a special case, usually called affine geometries. In this offprint, Einstein presents a pure affine formulation of gravitation which only subsequently introduces a metric tensor, and marks Einstein’s first use of the concept of distant parallelism. Einstein was later to reject this theory (see following lot), but the notion of distant parallelism was revived in the late 1960s, and is still in use today, albeit applied exclusively to the theory of gravitation, rather than electromagnetism. This author’s offprint can be distinguished from the normal ‘trade’ edition by the statement ‘Uberreicht vom Verfasser’ on the wrapper. Very rare as author’s offprint. Norman 698; Weil *132 (identifying this as one of Einstein's major papers).
Quarto (255 x 184mm). 2 ll., paginated 137-140. Original printed orange wrappers (a near-fine copy with only insignificant faint marginal creasing).
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