Osvaldo Chandía

Osvaldo Chandía

Doctor en Física
Profesor Asociado
FACULTAD DE ARTES LIBERALES
CHILE
Stgo, A, 245

Osvaldo Chandía

Doctor en Física
  • Doctor en Física, Universidad de Chile, 1998.

Beca de Inserción para Jóvenes Investigadores de la Fundación Andes. Investigador Responsable de proyecto FONDECYT. Beca del grupo Coimbra para profesores latinoamericanos.

A note on type II superstring vertex operators in the B-RNS-GSS formalism</>

Chandia, O., nov. 2025, In: European Physical Journal C, 85, 11.

Compactifications of Type II supergravities in superspace</>

Chandia, O. & Vallilo, B., nov. 2024, In: Journal of High Energy Physics, 2024, 11.

B-RNS-GSS type II superstring in Ramond-Ramond backgrounds</>

Chandia, O. & Gomide, J., ene. 2024, In: Journal of High Energy Physics, 2024, 1.

B-RNS-GSS heterotic string in curved backgrounds</>

Berkovits, N., Chandia, O., Gomide, J. & Martins, L., feb. 2023, In: Journal of High Energy Physics, 2023, 2.

Superspaces for heterotic pure spinor string compactifications</>

Chandia, O. & Vallilo, B., nov. 2022, In: European Physical Journal C, 82, 11.

Relating the b ghost and the vertex operators of the pure spinor superstring</>

Chandia, O. & Vallilo, B., mar. 2021, In: Journal of High Energy Physics, 2021, 3.

General fluctuations of the type II pure spinor string on curved backgrounds</>

Chandia, O., abr. 2019, In: Journal of High Energy Physics, 2019, 4.

General fluctuations of the heterotic pure spinor string on curved backgrounds</>

Chandia, O., feb. 2019, In: Journal of High Energy Physics, 2019, 2.

Vertex operators for the plane wave pure spinor string</>

Chandia, O. & Vallilo, B., oct. 2018, In: Journal of High Energy Physics, 2018, 10.

A superfield realization of the integrated vertex operator in an AdS 5 × S 5 background</>

Chandia, O. & Vallilo, B., oct. 2017, In: Journal of High Energy Physics, 2017, 10.

Ambitwistor superstring in the Green–Schwarz formulation</>

Chandía, O. & Vallilo, B., jul. 2017, In: European Physical Journal C, 77, 7.

Master symmetry in the AdS 5 × S 5 pure spinor string</>

Chandía, O., Linch, W. & Vallilo, B., ene. 2017, In: Journal of High Energy Physics, 2017, 1.

On-shell type II supergravity from the ambitwistor pure spinor string</>

Chandia, O. & Vallilo, B., ago. 2016, In: Classical and Quantum Gravity, 33, 18.

Ambitwistor pure spinor string in a type II supergravity background</>

Chandia, O. & Vallilo, B., jun. 2015, In: Journal of High Energy Physics, 2015, 6, p. 1-15.

Non-minimal fields of the pure spinor string in general curved backgrounds</>

Chandia, O. & Vallilo, B., feb. 2015, In: Journal of High Energy Physics, 2015, 2, p. 1-16.

AdS pure spinor superstring in constant backgrounds</>

Chandia, O., Bevilaqua, L. & Vallilo, B., jun. 2014, In: Journal of High Energy Physics, 2014, 6.

Simplified pure spinor b ghost in a curved heterotic superstring background</>

Berkovits, N. & Chandia, O., jun. 2014, In: Journal of High Energy Physics, 2014, 6.

The non-minimal heterotic pure spinor string in a curved background</>

Chandia, O., mar. 2014, In: Journal of High Energy Physics, 2014, 3.

A construction of integrated vertex operator in the pure spinor sigma-model in AdS5 × S5</>

Chandia, O., Mikhailov, A. & Vallilo, B., nov. 2013, In: Journal of High Energy Physics, 2013, 11.

The b ghost of the pure spinor formalism is nilpotent</>

Chandia, O., ene. 2011, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 695, 1-4, p. 312-316.

Compactification of the heterotic pure spinor superstring II</>

Chandía, O., Linch, W. & Vallilo, B., 2011, In: Journal of High Energy Physics, 2011, 10.

Compactification of the heterotic pure spinor superstring i</>

Chandía, O., Linch, W. & Vallilo, B., 2009, In: Journal of High Energy Physics, 2009, 10.

A note on T-dualities in the pure spinor heterotic string</>

Chandía, O., 2009, In: Journal of High Energy Physics, 2009, 4.

BRST anomaly and superspace constraints of the pure spinor heterotic string in a curved background</>

Chandía, O. & Tonin, M., sep. 2007, In: Journal of High Energy Physics, 2007, 9.

One-loop conformal invariance of the type II pure spinor superstring in a curved background</>

Bedoya, O. & Chandía, O., ene. 2007, In: Journal of High Energy Physics, 2007, 1.

A note on the classical BRST symmetry of the pure spinor string in a curved background</>

Chandía, O., jul. 2006, In: Journal of High Energy Physics, 2006, 7.

D = 4 pure spinor superstring and N = 2 strings</>

Chandía, O., oct. 2005, In: Journal of High Energy Physics, 10.

Conformal invariance of the pure spinor superstring in a curved background</>

Chandía, O. & Vallilo, B., abr. 2004, In: Journal of High Energy Physics, 8, 4.

4-point effective actions in open and closed superstring theory</>

Chandía, O. & Medina, R., nov. 2003, In: Journal of High Energy Physics, 7, 11.

Massive superstring vertex operator in D = 10 superspace</>

Berkovits, N. & Chandía, O., ago. 2002, In: Journal of High Energy Physics, 6, 8.

Holography and the Polyakov action</>

Bañados, M., Chandía, O. & Ritz, A., 2002, In: Physical Review D, 65, 12.

Chern-Simons formulation of noncommutative gravity in three dimensions</>

Bañados, M., Chandía, O., Grandi, N., Schaposnik, F. & Silva, G., oct. 2001, In: Physical Review D, 64, 8, p. 840121-840128.

Lorentz invariance of the pure spinor BRST cohomology for the superstring</>

Berkovits, N. & Chandía, O., ago. 2001, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 514, 3-4, p. 394-400.

Superstring vertex operators in an AdS5×S5 background</>

Berkovits, N. & Chandía, O., feb. 2001, In: Nuclear Physics B, 596, 1-2, p. 185-196.

Reply to “Comment on ‘Topological invariants, instantons, and the chiral anomaly on spaces with torsion’ ”</>

Chandía, O., 2001, In: Physical Review D - Particles, Fields, Gravitation and Cosmology, 63, 4, p. 4.

Reply to "Comment on 'Topological invariants, instantons, and the chiral anomaly on spaces with torsion"</>

Chandía, O. & Zanelli, J., 2001, In: Physical Review D, 63, 4, p. 485021-485024.

Abelian vectors and self-dual tensors in six-dimensional supergravity</>

Chandía, O., feb. 2000, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 474, 1-2, p. 79-84.

A note on the superstring BRST operator</>

Acosta, J., Berkovits, N. & Chandia, O., 1999, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 454, 3-4, p. 247-248.

Supersymmetric particle in a spacetime with torsion and the index theorem</>

Chandía, O. & Zanelli, J., ago. 1998, In: Physical Review D, 58, 4, p. 450141-450144.

Supersymmetric particle in a spacetime with torsion and the index theorem</>

Chandía, O. & Zanelli, J., 1998, In: Physical Review D - Particles, Fields, Gravitation and Cosmology, 58, 4.

Topological invariants, instantons, and the chiral anomaly on spaces with torsion</>

Chandía, O. & Zanelli, J., 1997, In: Physical Review D - Particles, Fields, Gravitation and Cosmology, 55, 12, p. 7580-7585.