Contact

All Stories

  1. The sum of absolute circadian shifts: Questioning the metric linking daylight saving time policy to stroke and obesity

    Article • Proceedings of the National Academy of Sciences, April 2026, Proceedings of the National Academy of Sciences

    Jose Maria Martin-Olalla

  2. Thermal stability originates the vanishing of the specific heats at absolute zero

    Article • Physica Scripta, December 2025, Institute of Physics Publishing

    Jose Maria Martin-Olalla

  3. Correction: Proof of the Nernst theorem

    Article • The European Physical Journal Plus, September 2025, Springer Science + Business Media

    Jose Maria Martin-Olalla

  4. Proof of the Nernst theorem

    Article • The European Physical Journal Plus, June 2025, Springer Science + Business Media

    Jose Maria Martin-Olalla

  5. Phase transition behavior in ferroelectric BaTi0.8Zr0.2O3: Evidence of polar cluster reorientation above Curie temperature

    Article • Journal of Applied Physics, May 2025, American Institute of Physics

    Oktay Aktas, Jose Maria Martin-Olalla

  6. Why is daylight saving time dying hard? The hearing at the US Senate shows

    Article • May 2025, Center for Open Science

    Jose Maria Martin-Olalla

  7. Why is daylight saying time dying hard? The hearing at the US Senate shows

    Article • May 2025, Center for Open Science

    Jose Maria Martin-Olalla

  8. Phase dependence of the thermal memory effect in polycrystalline ribbon and bulk Ni55Fe19Ga26 Heusler alloys

    Article • Intermetallics, May 2025, Elsevier

    Jose Maria Martin-Olalla

  9. What preset time schedule will it be? Rethinking daylight saving time

    Article • Time & Society, March 2025, SAGE Publications

    Jose Maria Martin-Olalla

  10. Assessing the best hour to start the day: an appraisal of seasonal daylight saving time

    Article • Royal Society Open Science, March 2025, Royal Society Publishing

    Jose Maria Martin-Olalla

  11. Self-reported preferences for seasonal daylight saving time meet fundamentals of human physiology: Correlations in the 2018 public consultation by the European Commission

    Article • Chronobiology International, January 2025, Taylor & Francis

    Jose Maria Martin-Olalla

  12. Prevalence of sleep disturbance among Chinese healthcare professionals increases Eastward—caution with position in time zone

    Article • Sleep Medicine, January 2025, Elsevier

    Jose Maria Martin-Olalla

  13. Seasonal Daylight Saving Time in UK : A long‐standing, successful record with few reasons to change

    Article • Journal of Sleep Research, November 2024, Wiley

    Jose Maria Martin-Olalla

  14. From heat wave Zoe to heat wave Vera: a two-year ex post evaluation of the categorization and naming heat wave system ProMeteo in Seville, Spain

    Article • August 2024, Springer Science + Business Media

    Jose Maria Martin-Olalla

  15. A concise rebuttal on “A concise proof of the equivalence of the Nernst theorem and the heat capacity statement of the third law of thermodynamics”

    Article • Modern Physics Letters A, May 2024, World Scientific Pub Co Pte Lt

    Jose Maria Martin-Olalla

  16. Ultraslow calorimetric studies of the martensitic transformation of NiFeGa alloys: detection and analysis of avalanche phenomena

    Article • Journal of Thermal Analysis and Calorimetry, May 2024, Springer Science + Business Media

    Jose Maria Martin-Olalla

  17. Phase transition and polar cluster behavior above Curie temperature in ferroelectric BaTi0.8Zr0.2O3

    Article • Applied Physics Letters, May 2024, American Institute of Physics

    Jose Maria Martin-Olalla

  18. Daylight saving time is a solution for which many forgot the problems

    Article • Journal of Clinical Sleep Medicine, May 2024, Springer Science + Business Media

    Jose Maria Martin-Olalla

  19. Self-reported preferences for seasonal Daylight Saving Time meet fundamentals of human physiology: correlations in the 2018 Public Consultation by the European Commission

    Article • March 2024, openRxiv

    Jose Maria Martin-Olalla

  20. Changing the clocks: Latitudes and attitudes

    Article • Physics Today, February 2024, American Institute of Physics

    Jose Maria Martin-Olalla

  21. Boots in summer vs sandals in winter? The dilemma that makes cancelling daylight saving time tricky

    Article • Wiener klinische Wochenschrift, January 2024, Springer Science + Business Media

    Jose Maria Martin-Olalla

  22. Fatality risks in eccentric time localities: not that elevated

    Article • February 2023, Center for Open Science

    Jose Maria Martin-Olalla

  23. Fatality risks in eccentric time localities: Not that elevated

    Article • Time & Society, February 2023, SAGE Publications

    Jose Maria Martin-Olalla

  24. It is time to understand daylight saving time

    Article • SLEEP, January 2023, Oxford University Press (OUP)

    Jose Maria Martin-Olalla

  25. Sample size bias in the empirical assessment of the acute risks associated with daylight saving time transitions

    Article • Chronobiology International, January 2023, Taylor & Francis

    Jose Maria Martin-Olalla

  26. Sample size bias in the empirical assessment of the acute risks associated with Daylight Saving Time transitions

    Article • August 2022, openRxiv

    Jose Maria Martin-Olalla

  27. The complexity of seasonal time arrangements in the European Union: the role of the Commission

    Article • February 2022, Center for Open Science

    Jose Maria Martin-Olalla

  28. Experimental method to determine specific heat capacity and transition enthalpy at a first-order phase transition: Fundamentals and application to a Ni-Mn-In Heusler alloy

    Article • Thermochimica Acta, December 2021, Elsevier

    Jose Maria Martin-Olalla

  29. Thermo-magnetic characterization of phase transitions in a Ni-Mn-In metamagnetic shape memory alloy

    Article • Journal of Alloys and Compounds, December 2021, Elsevier

    Jose Maria Martin-Olalla

  30. A chronobiological evaluation of the risks of canceling daylight saving time

    Article • Chronobiology International, August 2021, Taylor & Francis

    Jose Maria Martin-Olalla

  31. An chronobiological evaluation of the risks of cancelling Daylight Saving Time

    Article • March 2021, Center for Open Science

    Jose Maria Martin-Olalla

  32. Age specific COVID-19 undercount in Spain from the regional breakdown of 52–week accumulated mortality rates

    Article • March 2021, openRxiv

    Jose Maria Martin-Olalla

  33. Exponential distribution of large excess death rates in Europe during the COVID-19 outbreak in the spring of 2020

    Article • September 2020, openRxiv

    Jose Maria Martin-Olalla

  34. Age disaggregation of crude excess deaths during the 2020 spring COVID–19 outbreak in Spain and Netherlands

    Article • August 2020, openRxiv

    Jose Maria Martin-Olalla

  35. Excess deaths in Spain during the first year of the COVID–19 pandemic outbreak from age/sex–adjusted death rates

    Article • July 2020, openRxiv

    Jose Maria Martin-Olalla

  36. Traffic accident increase attributed to Daylight Saving Time doubled after Energy Policy Act

    Article • Current Biology, April 2020, Elsevier

    Jose Maria Martin-Olalla

  37. The long term impact of Daylight Saving Time regulations in daily life at several circles of latitude

    Article • Scientific Reports, December 2019, Springer Science + Business Media

    Jose Maria Martin-Olalla

  38. Correlations between elastic, calorimetric, and polar properties of ferroelectric PbSc0.5Ta0.5O3 (PST)

    Article • Applied Physics Letters, October 2019, American Institute of Physics

    Ekhard Salje, Jose Maria Martin-Olalla, Prof. Dr. Victorino Franco

  39. Publisher Correction: Seasonal synchronization of sleep timing in industrial and pre-industrial societies

    Article • Scientific Reports, October 2019, Springer Science + Business Media

    Jose Maria Martin-Olalla

  40. Scandinavian bed and rise times in the Age of Enlightenment and in the 21st century show similarity, helped by Daylight Saving Time

    Article • Journal of Sleep Research, September 2019, Wiley

    Jose Maria Martin-Olalla

  41. Scale-invariant avalanche dynamics in the temperature-driven martensitic transition of a Cu-Al-Be single crystal

    Article • Physical Review B, June 2019, American Physical Society (APS)

    Jose Maria Martin-Olalla

  42. Seasonal synchronization of sleep timing in industrial and pre-industrial societies

    Article • Scientific Reports, May 2019, Springer Science + Business Media

    Jose Maria Martin-Olalla

  43. Comment to “Impact of Daylight Saving Time on circadian timing system: An expert statement”

    Article • European Journal of Internal Medicine, April 2019, Elsevier

    Jose Maria Martin-Olalla

  44. Seasonal synchronization of sleep timing in industrial and pre-industrial societies: the regulating role of Daylight Saving Time

    Article • August 2018, openRxiv

    Jose Maria Martin-Olalla

  45. Sleep/wake synchronization across latitude

    Article • July 2018, openRxiv

    Jose Maria Martin-Olalla

  46. Latitudinal trends in human primary activities: characterizing the winter day as a synchronizer

    Article • Scientific Reports, March 2018, Springer Science + Business Media

    Jose Maria Martin-Olalla

  47. Avalanche criticalities and elastic and calorimetric anomalies of the transition from cubic Cu-Al-Ni to a mixture of18Rand2Hstructures

    Article • July 2016, American Physical Society (APS)

    Jose Maria Martin-Olalla

  48. Avalanche correlations in the martensitic transition of a Cu–Zn–Al shape memory alloy: analysis of acoustic emission and calorimetry

    Article • Journal of Physics Condensed Matter, March 2014, Institute of Physics Publishing

    Jose Maria Martin-Olalla

  49. Calorimetric Study of Avalanche Criticality in the Martensitic Phase Transition of Cu<sub>67.64</sub>Zn<sub>16.71</sub>Al<sub>15.65</sub>

    Article • Materials Science Forum, January 2013, Trans Tech Publications

    Jose Maria Martin-Olalla

  50. Dynamic heat flux experiments in Cu67.64Zn16.71Al15.65: Separating the time scales of fast and ultra-slow kinetic processes in martensitic transformations

    Article • Applied Physics Letters, July 2011, American Institute of Physics

    Jose Maria Martin-Olalla

  51. Deuteration effect on tricritical phase transition of triglycine selenate: Calorimetric and dielectric measurements analyzed in the framework of Landau theory

    Article • Journal of Applied Physics, June 2010, American Institute of Physics

    Jose Maria Martin-Olalla

  52. Memory effect in triglycine sulfate induced by a transverse electric field: specific heat measurement

    Article • Journal of Physics Condensed Matter, December 2008, Institute of Physics Publishing

    Jose Maria Martin-Olalla

  53. Effect of the Electric Field on Partially Deuterated TGSe

    Article • Ferroelectrics, August 2006, Taylor & Francis

    Jose Maria Martin-Olalla

  54. The influence of an electric field on the latent heat of the ferroelectric phase transition in KDP

    Article • Journal of Physics Condensed Matter, April 2005, Institute of Physics Publishing

    Jose Maria Martin-Olalla

  55. Thermal Properties of KDP Under Applied Electric Field

    Article • Ferroelectrics, January 2004, Taylor & Francis

    Jose Maria Martin-Olalla

  56. Universal restrictions to the conversion of heat into work derived from the analysis of the Nernst theorem as a uniform limit

    Article • Journal of Physics A General Physics, July 2003, Institute of Physics Publishing

    Jose Maria Martin-Olalla

  57. Square modulated differential thermal analysis

    Article • Thermochimica Acta, May 2003, Elsevier

    Jose Maria Martin-Olalla

  58. The order parameter entropy relation in some universal classes: experimental evidence

    Article • Journal of Physics Condensed Matter, March 2003, Institute of Physics Publishing

    Jose Maria Martin-Olalla

  59. Influence of Electric Field in Commensurate-Incommensurete Phase Transition of Rb 2 ZnCl 4

    Article • Ferroelectrics, January 2002, Taylor & Francis

    Jose Maria Martin-Olalla

  60. Test of Critical Behaviour Through the Order Parameter-Entropy Relation in the Normal-Incommensurate Phase Transition of Rb 2 ZnCl 4

    Article • Ferroelectrics, January 2002, Taylor & Francis

    Jose Maria Martin-Olalla

  61. Phase transitions in lawsonite: a calorimetric study

    Article • European Journal of Mineralogy, January 2001, Schweizerbart

    Jose Maria Martin-Olalla

  62. Evidence of latent heat in the Rb2ZnCl4commensurate-incommensurate phase transition

    Article • Journal of Physics Condensed Matter, February 2000, Institute of Physics Publishing

    Jose Maria Martin-Olalla

  63. Simultaneous measurement of thermal and dielectric properties on incommensurate Rb2CoCl4crystal

    Article • Ferroelectrics, January 2000, Taylor & Francis

    Jose Maria Martin-Olalla

  64. Thermodynamic study of commensurate-incommensurate phase transitions inRb2

    Article • Physical Review B, June 1999, American Physical Society (APS)

    Jose Maria Martin-Olalla

  65. Long Time Permittivity Decay in Commensurate Phase of Rb2ZnCl4Single Crystal

    Article • Journal of the Physical Society of Japan, February 1999, Physical Society of Japan

    Jose Maria Martin-Olalla

  66. Simultaneous measurement of thermal and dielectric properties in a conduction calorimeter: Application to the lock-in transition in Rb2ZnCl4single crystal

    Article • Phase Transitions, December 1997, Taylor & Francis

    Jose Maria Martin-Olalla

  67. Ferroelectric specific heat of telluric acid ammonium phosphate single crystal near Tc

    Article • Journal of Physics and Chemistry of Solids, July 1997, Elsevier

    Jose Maria Martin-Olalla

  68. Influence of the rate of temperature change on the dielectric tail of single crystal Rb2CoCl4

    Article • Solid State Communications, July 1997, Elsevier

    Jose Maria Martin-Olalla

  69. Specific heat measurements under non-equilibrium conditions

    Article • Journal of Thermal Analysis, December 1996, Springer Science + Business Media

    Jose Maria Martin-Olalla

  70. Dielectric behaviour of Rb2CoCl4near incommensurate-commensurate phase transition

    Article • Ferroelectrics, September 1996, Taylor & Francis

    Jose Maria Martin-Olalla

  71. Temperature Cycling Influence on Pyroelectric Figure of Merit of Triglycine Sulphate Doped with Alanine and Deuterated Triglycine Sulphate Doped with Alanine and Bivalent Platinum Crystals

    Article • Japanese Journal of Applied Physics, May 1995, Institute of Physics Publishing

    Jose Maria Martin-Olalla

  72. Influence of doping with platinum on the specific heat and pyroelectric behaviours of deuterated TGS doped with alanine

    Article • Ferroelectrics, July 1994, Taylor & Francis

    Jose Maria Martin-Olalla